Boston Marathon logo
BOSTON MARATHON 2023

Isaac Henares

Bib: 3288•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M40-44)
#0 / 2241
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:20
Rank: #2513
Start → 5K
20:20 | 6:33/mi
10K· 6.21 mi
40:39
Rank: #2744 (-231)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:00:15
Rank: #2335 (+409)
10K → 15K
19:36 | 6:19/mi
20K· 12.43 mi
1:20:15
Rank: #2225 (+110)
15K → 20K
20:00 | 6:26/mi
Half· 13.11 mi
1:24:35
Rank: #2208 (+17)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:05
Rank: #2111 (+97)
Half → 25K
15:30 | 6:24/mi
30K· 18.64 mi
2:00:17
Rank: #1978 (+133)
25K → 30K
20:12 | 6:30/mi
20M
2:09:05
Rank: #1908 (+70)
30K → 20M
8:48 | 6:29/mi
21M
2:15:56
Rank: #1875 (+33)
20M → 21M
6:51 | 6:51/mi
35K· 21.75 mi
2:20:31
Rank: #1825 (+50)
21M → 35K
4:35 | 6:08/mi
23M
2:28:32
Rank: #1753 (+72)
35K → 23M
8:01 | 6:24/mi
24M
2:34:48
Rank: #1712 (+41)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
2:40:23
Rank: #1677 (+35)
24M → 40K
5:35 | 6:32/mi
25.2M
2:42:48
Rank: #1672 (+5)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:49:28
Rank: #1689 (-17)
25.2M → Finish
6:40 | 6:33/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:35
Pace6:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:53
Pace6:29 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3920:206:3320:20
6:33
-
10K
6.21 mi10:41:5840:396:3320:19
6:32
-0:01
15K
9.32 mi11:01:341:00:156:2819:36
6:19
-0:13
20K
12.43 mi11:21:341:20:156:2720:00
6:26
+0:07
Half
13.11 mi11:25:541:24:356:274:20
6:21
-0:05
25K
15.53 mi11:41:241:40:056:2715:30
6:24
+0:03
30K
18.64 mi12:01:362:00:176:2720:12
6:30
+0:06
20M
20.00 mi12:10:242:09:056:278:48
6:29
-0:01
21M
21.00 mi12:17:152:15:566:286:51
6:51
+0:22
35K
21.75 mi12:21:502:20:316:284:35
6:08
-0:43
23M
23.00 mi12:29:512:28:326:278:01
6:24
+0:16
24M
24.00 mi12:36:072:34:486:276:16
6:16
-0:08
40K
24.85 mi12:41:422:40:236:275:35
6:32
+0:16
25.2M
25.20 mi12:44:072:42:486:282:25
7:00
+0:28
Finish
26.22 mi12:50:472:49:286:286:40
6:33
-0:27

Checkpoints & Pacing

📈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

6:08 /mi

Average Pace

6:28 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:12

95% of race

Time at Steady Pace

9:16

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:3920:206:3320:20
6:33
#2513
10K
6.21 mi10:41:5840:396:3320:19
6:32
#2744
15K
9.32 mi11:01:341:00:156:2819:36
6:19
#2335
20K
12.43 mi11:21:341:20:156:2720:00
6:26
#2225
Half
13.11 mi11:25:541:24:356:274:20
6:21
#2208
25K
15.53 mi11:41:241:40:056:2715:30
6:24
#2111
30K
18.64 mi12:01:362:00:176:2720:12
6:30
#1978
20M
20.00 mi12:10:242:09:056:278:48
6:29
#1908
21M
21.00 mi12:17:152:15:566:286:51
6:51
#1875
35K
21.75 mi12:21:502:20:316:284:35
6:08
#1825
23M
23.00 mi12:29:512:28:326:278:01
6:24
#1753
24M
24.00 mi12:36:072:34:486:276:16
6:16
#1712
40K
24.85 mi12:41:422:40:236:275:35
6:32
#1677
25.2M
25.20 mi12:44:072:42:486:282:25
7:00
#1672
Finish
26.22 mi12:50:472:49:286:286:40
6:33
#1689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2513239823981688(Top 6%)1614(Top 11%)1614(Top 72%)
10K6.21 mi3.10 mi2744-2312616-2182616-2183018(Top 11%)2879(Top 19%)2879(Top 128%)
15K9.32 mi3.11 mi2335+4092235+3812235+3811688(Top 6%)1614(Top 11%)1614(Top 72%)
20K12.43 mi3.11 mi2225+1102130+1052130+1051971(Top 7%)1892(Top 12%)1892(Top 84%)
Half13.11 mi0.68 mi2208+172114+162114+161974(Top 7%)1897(Top 13%)1897(Top 85%)
25K15.53 mi2.42 mi2111+972025+892025+891687(Top 6%)1615(Top 11%)1615(Top 72%)
30K18.64 mi3.11 mi1978+1331895+1301895+1301561(Top 6%)1494(Top 10%)1494(Top 67%)
20M20.00 mi1.36 mi1908+701826+691826+691366(Top 5%)1303(Top 9%)1303(Top 58%)
21M21.00 mi1.00 mi1875+331795+311795+311581(Top 6%)1505(Top 10%)1505(Top 67%)
35K21.75 mi0.75 mi1825+501746+491746+491027(Top 4%)977(Top 6%)977(Top 44%)
23M23.00 mi1.25 mi1753+721676+701676+701116(Top 4%)1056(Top 7%)1056(Top 47%)
24M24.00 mi1.00 mi1712+411637+391637+391255(Top 5%)1189(Top 8%)1189(Top 53%)
40K24.85 mi0.85 mi1677+351603+341603+341645(Top 6%)1548(Top 10%)1548(Top 69%)
25.2M25.20 mi0.35 mi1672+51597+61597+61742(Top 7%)1635(Top 11%)1635(Top 73%)
Finish26.22 mi1.02 mi1689-171613-161613-162669(Top 10%)2441(Top 16%)2441(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1688

Males

1614

M40-44

1614

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3018

Males

2879

M40-44

2879

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1688

Males

1614

M40-44

1614

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1971

Males

1892

M40-44

1892

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1974

Males

1897

M40-44

1897

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1687

Males

1615

M40-44

1615

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1561

Males

1494

M40-44

1494

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1366

Males

1303

M40-44

1303

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1581

Males

1505

M40-44

1505

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1027

Males

977

M40-44

977

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1116

Males

1056

M40-44

1056

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1255

Males

1189

M40-44

1189

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1645

Males

1548

M40-44

1548

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1742

Males

1635

M40-44

1635

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2669

Males

2441

M40-44

2441

Passing Analysis

Category:
Athletes Passed
1253
Passed By
429
Net Change
+824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2513
5K → 10K61292-231#2513#2744
10K → 15K4112+409#2744#2335
15K → 20K12818+110#2335#2225
20K → Half192+17#2225#2208
Half → 25K1047+97#2208#2111
25K → 30K15017+133#2111#1978
30K → 20M733+70#1978#1908
20M → 21M4512+33#1908#1875
21M → 35K522+50#1875#1825
35K → 23M764+72#1825#1753
23M → 24M476+41#1753#1712
24M → 40K4712+35#1712#1677
40K → 25.2M1611+5#1677#1672
25.2M → Finish2441-17#1672#1689
TOTALS1253429+824
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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