All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Steven Isaacs

Bib: 13351•M

OK

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 35%
Gender (Male)
#0 / 16340
Top 48%
Masters (Masters Men)
#0 / 10617
Top 36%
Age Group (M55-59)
#0 / 1491
Top 19%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
22:38
3.11 mi
Rank: #10903
Start → 5K
22:38 | 7:18/mi
10K
43:57
6.21 mi
Rank: #9135 (+1768)
5K → 10K
21:19 | 6:52/mi
15K
1:05:10
9.32 mi
Rank: #8516 (+619)
10K → 15K
21:13 | 6:50/mi
20K
1:26:47
12.43 mi
Rank: #8238 (+278)
15K → 20K
21:37 | 6:58/mi
HALF
1:31:31
13.11 mi
Rank: #8241 (-3)
20K → HALF
4:44 | 6:57/mi
25K
1:49:19
15.53 mi
Rank: #8442 (-201)
HALF → 25K
17:48 | 7:21/mi
30K
2:12:41
18.64 mi
Rank: #8559 (-117)
25K → 30K
23:22 | 7:32/mi
20M
2:23:46
20.00 mi
Rank: #8931 (-372)
30K → 20M
11:05 | 8:10/mi
21M
2:32:04
21.00 mi
Rank: #9067 (-136)
20M → 21M
8:18 | 8:18/mi
35K
2:37:44
21.75 mi
Rank: #9133 (-66)
21M → 35K
5:40 | 7:35/mi
23M
2:48:34
23.00 mi
Rank: #9527 (-394)
35K → 23M
10:50 | 8:40/mi
24M
2:56:24
24.00 mi
Rank: #9656 (-129)
23M → 24M
7:50 | 7:50/mi
40K
3:03:27
24.85 mi
Rank: #9825 (-169)
24M → 40K
7:03 | 8:15/mi
25.2M
3:06:26
25.20 mi
Rank: #9875 (-50)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:14:29
26.22 mi
Rank: #10054 (-179)
25.2M → FINISH
8:03 | 7:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:31
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:42:58
Pace7:52 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2322:387:1822:38
7:18
-
10K
6.21 mi11:12:4243:577:0521:19
6:52
-0:26
15K
9.32 mi11:33:551:05:107:0021:13
6:50
-0:02
20K
12.43 mi11:55:321:26:476:5921:37
6:58
+0:08
HALF
13.11 mi12:00:161:31:316:594:44
6:57
-0:01
25K
15.53 mi12:18:041:49:197:0317:48
7:21
+0:24
30K
18.64 mi12:41:262:12:417:0823:22
7:32
+0:11
20M
20.00 mi12:52:312:23:467:1211:05
8:10
+0:38
21M
21.00 mi13:00:492:32:047:158:18
8:18
+0:08
35K
21.75 mi13:06:292:37:447:165:40
7:35
-0:43
23M
23.00 mi13:17:192:48:347:2010:50
8:40
+1:05
24M
24.00 mi13:25:092:56:247:227:50
7:50
-0:50
40K
24.85 mi13:32:123:03:277:237:03
8:15
+0:25
25.2M
25.20 mi13:35:113:06:267:242:59
8:40
+0:25
FINISH
26.22 mi13:43:143:14:297:268:03
7:54
-0:46

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:50 /mi

Average Pace

7:25 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:08:53

35% of race

Time at Steady Pace

1:17:18

40% of race

Time at Slower Pace

48:18

25% of race

Average Pace: 7:25 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:2322:387:1822:38
7:18
#10903
10K
6.21 mi11:12:4243:577:0521:19
6:52
#9135
15K
9.32 mi11:33:551:05:107:0021:13
6:50
#8516
20K
12.43 mi11:55:321:26:476:5921:37
6:58
#8238
HALF
13.11 mi12:00:161:31:316:594:44
6:57
#8241
25K
15.53 mi12:18:041:49:197:0317:48
7:21
#8442
30K
18.64 mi12:41:262:12:417:0823:22
7:32
#8559
20M
20.00 mi12:52:312:23:467:1211:05
8:10
#8931
21M
21.00 mi13:00:492:32:047:158:18
8:18
#9067
35K
21.75 mi13:06:292:37:447:165:40
7:35
#9133
23M
23.00 mi13:17:192:48:347:2010:50
8:40
#9527
24M
24.00 mi13:25:092:56:247:227:50
7:50
#9656
40K
24.85 mi13:32:123:03:277:237:03
8:15
#9825
25.2M
25.20 mi13:35:113:06:267:242:59
8:40
#9875
FINISH
26.22 mi13:43:143:14:297:268:03
7:54
#10054
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10903854085407116(Top 25%)6266(Top 38%)6266(Top 420%)
10K6.21 mi3.10 mi9135+17687616+9247616+9247598(Top 26%)6631(Top 41%)6631(Top 445%)
15K9.32 mi3.11 mi8516+6197210+4067210+4067116(Top 25%)6266(Top 38%)6266(Top 420%)
20K12.43 mi3.11 mi8238+2787024+1867024+1867561(Top 26%)6543(Top 40%)6543(Top 439%)
HALF13.11 mi0.68 mi8241-3702470248253(Top 28%)7030(Top 43%)7030(Top 471%)
25K15.53 mi2.42 mi8442-2017128-1047128-10410042(Top 35%)7865(Top 48%)7865(Top 527%)
30K18.64 mi3.11 mi8559-1177165-377165-379822(Top 34%)7604(Top 47%)7604(Top 510%)
20M20.00 mi1.36 mi8931-3727355-1907355-19013913(Top 48%)9406(Top 58%)9406(Top 631%)
21M21.00 mi1.00 mi9067-1367393-387393-3811807(Top 41%)8338(Top 51%)8338(Top 559%)
35K21.75 mi0.75 mi9133-667411-187411-1811342(Top 39%)8120(Top 50%)8120(Top 545%)
23M23.00 mi1.25 mi9527-3947598-1877598-18716617(Top 57%)10341(Top 63%)10341(Top 694%)
24M24.00 mi1.00 mi9656-1297645-477645-4712520(Top 43%)8479(Top 52%)8479(Top 569%)
40K24.85 mi0.85 mi9825-1697699-547699-5414033(Top 48%)9078(Top 56%)9078(Top 609%)
25.2M25.20 mi0.35 mi9875-507706-77706-712495(Top 43%)8334(Top 51%)8334(Top 559%)
FINISH26.22 mi1.02 mi10054-1797765-597765-5914454(Top 50%)9241(Top 57%)9241(Top 620%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7116

Males

6266

M55-59

6266

5K→10K

3.1 - 6.2 mi

Top 26%
×5
+79ft-138ft

Overall

7598

Males

6631

M55-59

6631

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7116

Males

6266

M55-59

6266

15K→20K

9.3 - 12.4 mi

Top 26%
×5
+106ft-86ft

Overall

7561

Males

6543

M55-59

6543

20K→HALF

12.4 - 13.1 mi

Top 28%
×2
+19ft-37ft

Overall

8253

Males

7030

M55-59

7030

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10042

Males

7865

M55-59

7865

25K→30K

15.5 - 18.6 mi

Top 34%
×9
+181ft-148ft

Overall

9822

Males

7604

M55-59

7604

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13913

Males

9406

M55-59

9406

20M→21M

20.0 - 21.0 mi

Top 41%
×8
+106ft-24ft

Overall

11807

Males

8338

M55-59

8338

21M→35K

21.0 - 21.8 mi

Top 39%
×7
+17ft-86ft

Overall

11342

Males

8120

M55-59

8120

35K→23M

21.8 - 23.0 mi

Top 57%
×5
+23ft-63ft

Overall

16617

Males

10341

M55-59

10341

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12520

Males

8479

M55-59

8479

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

14033

Males

9078

M55-59

9078

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12495

Males

8334

M55-59

8334

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14454

Males

9241

M55-59

9241

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3184*
Passed By
2333
Net Change
+849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10903
5K → 10K1769*1+1768#10903#9135
10K → 15K6267+619#9135#8516
15K → 20K29618+278#8516#8238
20K → HALF2124-3#8238#8241
HALF → 25K72273-201#8241#8442
25K → 30K121238-117#8442#8559
30K → 20M29401-372#8559#8931
20M → 21M44180-136#8931#9067
21M → 35K41107-66#9067#9133
35K → 23M36430-394#9133#9527
23M → 24M47176-129#9527#9656
24M → 40K32201-169#9656#9825
40K → 25.2M1868-50#9825#9875
25.2M → FINISH32209-179#9875#10054
TOTALS3184*2333+849

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing