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BOSTON MARATHON 2025

Jack Gesmundo

Bib: 19204•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:02/mi
24:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
50:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:15:17
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:41:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:46:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:06:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:33:34
↑ 181↓ 1480.2%
20M
8:57/mi
2:45:44
↑ 64↓ 500.2%
21M
9:22/mi
2:55:06
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:01:41
↑ 17↓ 861.7%
23M
9:04/mi
3:13:02
↑ 23↓ 630.6%
24M
8:53/mi
3:21:55
↓ 821.3%
40K· 24.85 mi
9:11/mi
3:29:46
↓ 200.3%
25.2M
9:49/mi
3:33:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:42:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:55:34
Pace8:49 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4424:568:0224:56
8:02
-
10K
6.21 mi11:42:1450:268:0725:30
8:12
+0:10
15K
9.32 mi12:07:051:15:178:0524:51
8:00
-0:12
20K
12.43 mi12:32:551:41:078:0825:50
8:19
+0:19
Half
13.11 mi12:38:221:46:348:085:27
7:59
-0:20
25K
15.53 mi12:58:222:06:348:0920:00
8:15
+0:16
30K
18.64 mi13:25:222:33:348:1427:00
8:41
+0:26
20M
20.00 mi13:37:322:45:448:1712:10
8:57
+0:16
21M
21.00 mi13:46:542:55:068:209:22
9:22
+0:25
35K
21.75 mi13:53:293:01:418:216:35
8:48
-0:34
23M
23.00 mi14:04:503:13:028:2411:21
9:04
+0:16
24M
24.00 mi14:13:433:21:558:258:53
8:53
-0:11
40K
24.85 mi14:21:343:29:468:267:51
9:11
+0:18
25.2M
25.20 mi14:24:573:33:098:283:23
9:49
+0:38
Finish
26.22 mi14:33:563:42:088:298:59
8:49
-1:00

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

7:59 /mi

Average Pace

8:29 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:34

57% of race

Time at Steady Pace

1:03:37

29% of race

Time at Slower Pace

31:57

14% of race

Average Pace: 8:28 /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 mi11:16:4424:568:0224:56
8:02
#16778
10K
6.21 mi11:42:1450:268:0725:30
8:12
#17371
15K
9.32 mi12:07:051:15:178:0524:51
8:00
#16907
20K
12.43 mi12:32:551:41:078:0825:50
8:19
#16942
Half
13.11 mi12:38:221:46:348:085:27
7:59
#16884
25K
15.53 mi12:58:222:06:348:0920:00
8:15
#16616
30K
18.64 mi13:25:222:33:348:1427:00
8:41
#16448
20M
20.00 mi13:37:322:45:448:1712:10
8:57
#16416
21M
21.00 mi13:46:542:55:068:209:22
9:22
#16312
35K
21.75 mi13:53:293:01:418:216:35
8:48
#16309
23M
23.00 mi14:04:503:13:028:2411:21
9:04
#16280
24M
24.00 mi14:13:433:21:558:258:53
8:53
#16280
40K
24.85 mi14:21:343:29:468:267:51
9:11
#16336
25.2M
25.20 mi14:24:573:33:098:283:23
9:49
#16331
Finish
26.22 mi14:33:563:42:088:298:59
8:49
#16394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16778111081110816039(Top 56%)10828(Top 67%)10828(Top 657%)
10K6.21 mi3.10 mi17371-59311365-25711365-25717936(Top 63%)11629(Top 72%)11629(Top 706%)
15K9.32 mi3.11 mi16907+46411189+17611189+17616039(Top 56%)10828(Top 67%)10828(Top 657%)
20K12.43 mi3.11 mi16942-3511186+311186+317005(Top 60%)11180(Top 69%)11180(Top 678%)
Half13.11 mi0.68 mi16884+5811164+2211164+2215772(Top 56%)10690(Top 66%)10690(Top 649%)
25K15.53 mi2.42 mi16616+26811032+13211032+13215610(Top 55%)10492(Top 65%)10492(Top 637%)
30K18.64 mi3.11 mi16448+16810903+12910903+12915933(Top 56%)10467(Top 65%)10467(Top 635%)
20M20.00 mi1.36 mi16416+3210860+4310860+4316537(Top 58%)10600(Top 66%)10600(Top 643%)
21M21.00 mi1.00 mi16312+10410788+7210788+7215461(Top 54%)9992(Top 62%)9992(Top 606%)
35K21.75 mi0.75 mi16309+310769+1910769+1917224(Top 61%)10702(Top 66%)10702(Top 649%)
23M23.00 mi1.25 mi16280+2910729+4010729+4016611(Top 58%)10335(Top 64%)10335(Top 627%)
24M24.00 mi1.00 mi1628010702+2710702+2716734(Top 59%)10352(Top 64%)10352(Top 628%)
40K24.85 mi0.85 mi16336-5610692+1010692+1017238(Top 61%)10478(Top 65%)10478(Top 636%)
25.2M25.20 mi0.35 mi16331+510686+610686+616096(Top 57%)9921(Top 62%)9921(Top 602%)
Finish26.22 mi1.02 mi16394-6310689-310689-318112(Top 64%)10919(Top 68%)10919(Top 663%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

16039

Males

10828

M55-59

10828

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17936

Males

11629

M55-59

11629

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

16039

Males

10828

M55-59

10828

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17005

Males

11180

M55-59

11180

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15772

Males

10690

M55-59

10690

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15610

Males

10492

M55-59

10492

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15933

Males

10467

M55-59

10467

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16537

Males

10600

M55-59

10600

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15461

Males

9992

M55-59

9992

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17224

Males

10702

M55-59

10702

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16611

Males

10335

M55-59

10335

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16734

Males

10352

M55-59

10352

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17238

Males

10478

M55-59

10478

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16096

Males

9921

M55-59

9921

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18112

Males

10919

M55-59

10919

Passing Analysis

Category:
Athletes Passed
2156
Passed By
1772
Net Change
+384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16778
5K → 10K115708-593#16778#17371
10K → 15K50339+464#17371#16907
15K → 20K184219-35#16907#16942
20K → Half6810+58#16942#16884
Half → 25K30537+268#16884#16616
25K → 30K303135+168#16616#16448
30K → 20M12896+32#16448#16416
20M → 21M15349+104#16416#16312
21M → 35K6663+3#16312#16309
35K → 23M12495+29#16309#16280
23M → 24M76760#16280#16280
24M → 40K51107-56#16280#16336
40K → 25.2M3126+5#16336#16331
25.2M → Finish49112-63#16331#16394
TOTALS21561772+384
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing