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

John Masson

Bib: 23715•M

ON

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
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
25:58
3.11 mi
Rank: #19243
Start → 5K
25:58 | 8:22/mi
10K
51:23
6.21 mi
Rank: #18842 (+401)
5K → 10K
25:25 | 8:11/mi
15K
1:16:53
9.32 mi
Rank: #18693 (+149)
10K → 15K
25:30 | 8:13/mi
20K
1:44:09
12.43 mi
Rank: #19258 (-565)
15K → 20K
27:16 | 8:47/mi
HALF
1:49:45
13.11 mi
Rank: #19221 (+37)
20K → HALF
5:36 | 8:13/mi
25K
2:11:35
15.53 mi
Rank: #19558 (-337)
HALF → 25K
21:50 | 9:01/mi
30K
2:45:07
18.64 mi
Rank: #21103 (-1545)
25K → 30K
33:32 | 10:48/mi
20M
3:00:05
20.00 mi
Rank: #21562 (-459)
30K → 20M
14:58 | 11:02/mi
21M
3:12:51
21.00 mi
Rank: #22043 (-481)
20M → 21M
12:46 | 12:46/mi
35K
3:21:33
21.75 mi
Rank: #22348 (-305)
21M → 35K
8:42 | 11:38/mi
23M
3:37:32
23.00 mi
Rank: #22823 (-475)
35K → 23M
15:59 | 12:47/mi
24M
3:48:57
24.00 mi
Rank: #22999 (-176)
23M → 24M
11:25 | 11:25/mi
40K
3:58:44
24.85 mi
Rank: #23082 (-83)
24M → 40K
9:47 | 11:27/mi
25.2M
4:03:10
25.20 mi
Rank: #23140 (-58)
40K → 25.2M
4:26 | 12:52/mi
FINISH
4:13:14
26.22 mi
Rank: #23143 (-3)
25.2M → FINISH
10:04 | 9:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:45
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:23:29
Pace10:57 /mi
📊Positive Split: 30.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:2025:588:2225:58
8:22
-
10K
6.21 mi11:54:4551:238:1725:25
8:11
-0:11
15K
9.32 mi12:20:151:16:538:1525:30
8:13
+0:02
20K
12.43 mi12:47:311:44:098:2327:16
8:47
+0:34
HALF
13.11 mi12:53:071:49:458:235:36
8:13
-0:34
25K
15.53 mi13:14:572:11:358:2921:50
9:01
+0:48
30K
18.64 mi13:48:292:45:078:5233:32
10:48
+1:47
20M
20.00 mi14:03:273:00:059:0114:58
11:02
+0:14
21M
21.00 mi14:16:133:12:519:1212:46
12:46
+1:44
35K
21.75 mi14:24:553:21:339:178:42
11:38
-1:08
23M
23.00 mi14:40:543:37:329:2815:59
12:47
+1:09
24M
24.00 mi14:52:193:48:579:3311:25
11:25
-1:22
40K
24.85 mi15:02:063:58:449:379:47
11:27
+0:02
25.2M
25.20 mi15:06:324:03:109:394:26
12:52
+1:25
FINISH
26.22 mi15:16:364:13:149:4010:04
9:53
-2:59

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

8:11 /mi

Average Pace

9:40 /mi

Slowest Pace

12:52 /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

2:21:39

56% of race

Time at Steady Pace

1:18:24

31% of race

Time at Slower Pace

33:11

13% of race

Average Pace: 9:39 /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 mi11:29:2025:588:2225:58
8:22
#19243
10K
6.21 mi11:54:4551:238:1725:25
8:11
#18842
15K
9.32 mi12:20:151:16:538:1525:30
8:13
#18693
20K
12.43 mi12:47:311:44:098:2327:16
8:47
#19258
HALF
13.11 mi12:53:071:49:458:235:36
8:13
#19221
25K
15.53 mi13:14:572:11:358:2921:50
9:01
#19558
30K
18.64 mi13:48:292:45:078:5233:32
10:48
#21103
20M
20.00 mi14:03:273:00:059:0114:58
11:02
#21562
21M
21.00 mi14:16:133:12:519:1212:46
12:46
#22043
35K
21.75 mi14:24:553:21:339:178:42
11:38
#22348
23M
23.00 mi14:40:543:37:329:2815:59
12:47
#22823
24M
24.00 mi14:52:193:48:579:3311:25
11:25
#22999
40K
24.85 mi15:02:063:58:449:379:47
11:27
#23082
25.2M
25.20 mi15:06:324:03:109:394:26
12:52
#23140
FINISH
26.22 mi15:16:364:13:149:4010:04
9:53
#23143
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19243119461194618380(Top 63%)11615(Top 71%)11615(Top 767%)
10K6.21 mi3.10 mi18842+40111782+16411782+16418463(Top 64%)11663(Top 71%)11663(Top 770%)
15K9.32 mi3.11 mi18693+14911742+4011742+4018380(Top 63%)11615(Top 71%)11615(Top 767%)
20K12.43 mi3.11 mi19258-56511973-23111973-23120851(Top 72%)12701(Top 78%)12701(Top 839%)
HALF13.11 mi0.68 mi19221+3711959+1411959+1418484(Top 64%)11670(Top 71%)11670(Top 771%)
25K15.53 mi2.42 mi19558-33712091-13212091-13221191(Top 73%)12845(Top 79%)12845(Top 848%)
30K18.64 mi3.11 mi21103-154512785-69412785-69424918(Top 86%)14498(Top 89%)14498(Top 958%)
20M20.00 mi1.36 mi21562-45912995-21012995-21024954(Top 86%)14441(Top 88%)14441(Top 954%)
21M21.00 mi1.00 mi22043-48113216-22113216-22126086(Top 90%)14924(Top 91%)14924(Top 986%)
35K21.75 mi0.75 mi22348-30513358-14213358-14226254(Top 90%)14990(Top 92%)14990(Top 990%)
23M23.00 mi1.25 mi22823-47513555-19713555-19727083(Top 93%)15357(Top 94%)15357(Top 1014%)
24M24.00 mi1.00 mi22999-17613634-7913634-7925822(Top 89%)14715(Top 90%)14715(Top 972%)
40K24.85 mi0.85 mi23082-8313662-2813662-2825010(Top 86%)14283(Top 87%)14283(Top 943%)
25.2M25.20 mi0.35 mi23140-5813692-3013692-3025828(Top 89%)14700(Top 90%)14700(Top 971%)
FINISH26.22 mi1.02 mi23143-313687+513687+523505(Top 81%)13543(Top 83%)13543(Top 895%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18380

Males

11615

M60-64

11615

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18463

Males

11663

M60-64

11663

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18380

Males

11615

M60-64

11615

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20851

Males

12701

M60-64

12701

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18484

Males

11670

M60-64

11670

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21191

Males

12845

M60-64

12845

25K→30K

15.5 - 18.6 mi

Top 86%
×9
+181ft-148ft

Overall

24918

Males

14498

M60-64

14498

30K→20M

18.6 - 20.0 mi

Top 86%
×5
+64ft-50ft

Overall

24954

Males

14441

M60-64

14441

20M→21M

20.0 - 21.0 mi

Top 90%
×8
+106ft-24ft

Overall

26086

Males

14924

M60-64

14924

21M→35K

21.0 - 21.8 mi

Top 90%
×7
+17ft-86ft

Overall

26254

Males

14990

M60-64

14990

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

27083

Males

15357

M60-64

15357

23M→24M

23.0 - 24.0 mi

Top 89%
×6
+12ft-82ft

Overall

25822

Males

14715

M60-64

14715

24M→40K

24.0 - 24.9 mi

Top 86%
×1
+6ft-20ft

Overall

25010

Males

14283

M60-64

14283

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1
+13ft-16ft

Overall

25828

Males

14700

M60-64

14700

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
×2
+22ft-21ft

Overall

23505

Males

13543

M60-64

13543

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1071
Passed By
4971
Net Change
-3900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19243
5K → 10K523122+401#19243#18842
10K → 15K254105+149#18842#18693
15K → 20K51616-565#18693#19258
20K → HALF4811+37#19258#19221
HALF → 25K51388-337#19221#19558
25K → 30K141559-1545#19558#21103
30K → 20M26485-459#21103#21562
20M → 21M10491-481#21562#22043
21M → 35K10315-305#22043#22348
35K → 23M9484-475#22348#22823
23M → 24M12188-176#22823#22999
24M → 40K20103-83#22999#23082
40K → 25.2M664-58#23082#23140
25.2M → FINISH3740-3#23140#23143
TOTALS10714971-3900
📊

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...

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