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BOSTON MARATHON 2025

Stefan Bissig

Bib: 31214 M CH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:07/mi
28:20
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:40/mi
55:17
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:26/mi
1:21:29
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:36/mi
1:48:11
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:26/mi
1:53:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:27/mi
2:14:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:53/mi
2:42:03
↑ 181↓ 1480.2%
138 ft elev
20M
9:26/mi
2:54:52
↑ 64↓ 500.2%
148 ft elev
21M
8:57/mi
3:03:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:27/mi
3:10:08
↑ 17↓ 861.7%
156 ft elev
23M
9:02/mi
3:21:27
↑ 23↓ 630.6%
116 ft elev
24M
8:58/mi
3:30:25
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:27/mi
3:38:30
↓ 200.3%
20 ft elev
25.2M
9:23/mi
3:41:44
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:57/mi
3:49:50
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:56
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:55:54
Pace8:50 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3228:209:0728:20
9:07
-
10K
6.21 mi12:21:2955:178:5426:57
8:40
-0:27
15K
9.32 mi12:47:411:21:298:4526:12
8:26
-0:14
20K
12.43 mi13:14:231:48:118:4226:42
8:36
+0:10
Half
13.11 mi13:20:081:53:568:415:45
8:26
-0:10
25K
15.53 mi13:40:382:14:268:3920:30
8:27
+0:01
30K
18.64 mi14:08:152:42:038:4227:37
8:53
+0:26
20M
20.00 mi14:21:042:54:528:4512:49
9:26
+0:33
21M
21.00 mi14:30:013:03:498:458:57
8:57
-0:29
35K
21.75 mi14:36:203:10:088:456:19
8:27
-0:30
23M
23.00 mi14:47:393:21:278:4611:19
9:02
+0:35
24M
24.00 mi14:56:373:30:258:468:58
8:58
-0:04
40K
24.85 mi15:04:423:38:308:478:05
9:27
+0:29
25.2M
25.20 mi15:07:563:41:448:483:14
9:23
-0:04
Finish
26.22 mi15:16:023:49:508:468:06
7:57
-1:26

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

7:57 /mi

Average Pace

8:46 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:31

52% of race

Time at Steady Pace

1:25:11

37% of race

Time at Slower Pace

24:08

11% of race

Average Pace: 8:46 /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 mi11:54:3228:209:0728:20
9:07
#22906
10K
6.21 mi12:21:2955:178:5426:57
8:40
#21932
15K
9.32 mi12:47:411:21:298:4526:12
8:26
#20957
20K
12.43 mi13:14:231:48:118:4226:42
8:36
#20452
Half
13.11 mi13:20:081:53:568:415:45
8:26
#20354
25K
15.53 mi13:40:382:14:268:3920:30
8:27
#19799
30K
18.64 mi14:08:152:42:038:4227:37
8:53
#19297
20M
20.00 mi14:21:042:54:528:4512:49
9:26
#19250
21M
21.00 mi14:30:013:03:498:458:57
8:57
#18924
35K
21.75 mi14:36:203:10:088:456:19
8:27
#18790
23M
23.00 mi14:47:393:21:278:4611:19
9:02
#18633
24M
24.00 mi14:56:373:30:258:468:58
8:58
#18567
40K
24.85 mi15:04:423:38:308:478:05
9:27
#18548
25.2M
25.20 mi15:07:563:41:448:483:14
9:23
#18472
Finish
26.22 mi15:16:023:49:508:468:06
7:57
#18287
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22906137181371818903(Top 67%)12004(Top 75%)12004(Top 534%)
10K6.21 mi3.10 mi21932+97413302+41613302+41620724(Top 73%)12790(Top 79%)12790(Top 569%)
15K9.32 mi3.11 mi20957+97512881+42112881+42118903(Top 67%)12004(Top 75%)12004(Top 534%)
20K12.43 mi3.11 mi20452+50512663+21812663+21818798(Top 66%)11946(Top 74%)11946(Top 532%)
Half13.11 mi0.68 mi20354+9812622+4112622+4118702(Top 66%)11911(Top 74%)11911(Top 530%)
25K15.53 mi2.42 mi19799+55512376+24612376+24616906(Top 60%)11061(Top 69%)11061(Top 492%)
30K18.64 mi3.11 mi19297+50212114+26212114+26217089(Top 60%)10970(Top 68%)10970(Top 488%)
20M20.00 mi1.36 mi19250+4712070+4412070+4418857(Top 66%)11617(Top 72%)11617(Top 517%)
21M21.00 mi1.00 mi18924+32611907+16311907+16313211(Top 47%)8967(Top 56%)8967(Top 399%)
35K21.75 mi0.75 mi18790+13411834+7311834+7315131(Top 53%)9796(Top 61%)9796(Top 436%)
23M23.00 mi1.25 mi18633+15711740+9411740+9416472(Top 58%)10281(Top 64%)10281(Top 458%)
24M24.00 mi1.00 mi18567+6611680+6011680+6017183(Top 60%)10554(Top 66%)10554(Top 470%)
40K24.85 mi0.85 mi18548+1911650+3011650+3018507(Top 65%)11074(Top 69%)11074(Top 493%)
25.2M25.20 mi0.35 mi18472+7611608+4211608+4213867(Top 49%)8901(Top 55%)8901(Top 396%)
Finish26.22 mi1.02 mi18287+18511500+10811500+10812535(Top 44%)8307(Top 52%)8307(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18903

Males

12004

M40-44

12004

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20724

Males

12790

M40-44

12790

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18903

Males

12004

M40-44

12004

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18798

Males

11946

M40-44

11946

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18702

Males

11911

M40-44

11911

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16906

Males

11061

M40-44

11061

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17089

Males

10970

M40-44

10970

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18857

Males

11617

M40-44

11617

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13211

Males

8967

M40-44

8967

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15131

Males

9796

M40-44

9796

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16472

Males

10281

M40-44

10281

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17183

Males

10554

M40-44

10554

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18507

Males

11074

M40-44

11074

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13867

Males

8901

M40-44

8901

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12535

Males

8307

M40-44

8307

Passing Analysis

Category:
Athletes Passed
4915
Passed By
296
Net Change
+4619
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22906
5K → 10K99521+974#22906#21932
10K → 15K9827+975#21932#20957
15K → 20K51611+505#20957#20452
20K → Half1013+98#20452#20354
Half → 25K5605+555#20354#19799
25K → 30K52927+502#19799#19297
30K → 20M12679+47#19297#19250
20M → 21M3260+326#19250#18924
21M → 35K1406+134#18924#18790
35K → 23M18326+157#18790#18633
23M → 24M9933+66#18633#18567
24M → 40K8465+19#18567#18548
40K → 25.2M804+76#18548#18472
25.2M → Finish1949+185#18472#18287
TOTALS4915296+4619
📊

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