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BOSTON MARATHON 2025

Thomas Stotzer

Bib: 5120•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 44%
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
6:38/mi
20:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:40/mi
41:22
↑ 79↓ 1380.4%
15K· 9.32 mi
6:40/mi
1:02:06
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:22:48
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:27:26
↑ 19↓ 370.5%
25K· 15.53 mi
6:47/mi
1:43:54
↑ 66↓ 880.2%
30K· 18.64 mi
6:47/mi
2:04:59
↑ 181↓ 1480.2%
20M
6:51/mi
2:14:18
↑ 64↓ 500.2%
21M
7:12/mi
2:21:30
↑ 106↓ 241.6%
35K· 21.75 mi
6:29/mi
2:26:21
↑ 17↓ 861.7%
23M
6:44/mi
2:34:47
↑ 23↓ 630.6%
24M
6:37/mi
2:41:24
↓ 821.3%
40K· 24.85 mi
6:46/mi
2:47:11
↓ 200.3%
25.2M
7:38/mi
2:49:49
↑ 13↓ 160.2%
Finish· 26.22 mi
6:25/mi
2:56:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:26
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:28:55
Pace6:47 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1020:386:3820:38
6:38
-
10K
6.21 mi10:47:5441:226:3920:44
6:40
+0:02
15K
9.32 mi11:08:381:02:066:4020:44
6:40
0:00
20K
12.43 mi11:29:201:22:486:4020:42
6:40
0:00
Half
13.11 mi11:33:581:27:266:404:38
6:47
+0:07
25K
15.53 mi11:50:261:43:546:4116:28
6:47
0:00
30K
18.64 mi12:11:312:04:596:4221:06
6:47
0:00
20M
20.00 mi12:20:502:14:186:439:19
6:51
+0:04
21M
21.00 mi12:28:022:21:306:447:12
7:12
+0:21
35K
21.75 mi12:32:532:26:216:444:51
6:29
-0:43
23M
23.00 mi12:41:192:34:476:448:26
6:44
+0:15
24M
24.00 mi12:47:562:41:246:446:37
6:37
-0:07
40K
24.85 mi12:53:432:47:116:445:47
6:46
+0:09
25.2M
25.20 mi12:56:212:49:496:442:38
7:38
+0:52
Finish
26.22 mi13:02:532:56:216:446:32
6:25
-1:13

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

6:25 /mi

Average Pace

6:44 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:31

94% of race

Time at Steady Pace

7:12

4% of race

Time at Slower Pace

2:38

1% of race

Average Pace: 6:44 /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 mi10:27:1020:386:3820:38
6:38
#4950
10K
6.21 mi10:47:5441:226:3920:44
6:40
#4983
15K
9.32 mi11:08:381:02:066:4020:44
6:40
#4897
20K
12.43 mi11:29:201:22:486:4020:42
6:40
#4663
Half
13.11 mi11:33:581:27:266:404:38
6:47
#4729
25K
15.53 mi11:50:261:43:546:4116:28
6:47
#4693
30K
18.64 mi12:11:312:04:596:4221:06
6:47
#4358
20M
20.00 mi12:20:502:14:186:439:19
6:51
#4221
21M
21.00 mi12:28:022:21:306:447:12
7:12
#4125
35K
21.75 mi12:32:532:26:216:444:51
6:29
#4034
23M
23.00 mi12:41:192:34:476:448:26
6:44
#3877
24M
24.00 mi12:47:562:41:246:446:37
6:37
#3784
40K
24.85 mi12:53:432:47:116:445:47
6:46
#3705
25.2M
25.20 mi12:56:212:49:496:442:38
7:38
#3692
Finish
26.22 mi13:02:532:56:216:446:32
6:25
#3583
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4950463446344842(Top 17%)4516(Top 28%)4516(Top 80%)
10K6.21 mi3.10 mi4983-334647-134647-135095(Top 18%)4747(Top 29%)4747(Top 84%)
15K9.32 mi3.11 mi4897+864574+734574+734842(Top 17%)4516(Top 28%)4516(Top 80%)
20K12.43 mi3.11 mi4663+2344355+2194355+2194116(Top 14%)3861(Top 24%)3861(Top 68%)
Half13.11 mi0.68 mi4729-664413-584413-585965(Top 21%)5386(Top 33%)5386(Top 95%)
25K15.53 mi2.42 mi4693+364373+404373+404783(Top 17%)4398(Top 27%)4398(Top 78%)
30K18.64 mi3.11 mi4358+3354076+2974076+2973375(Top 12%)3147(Top 20%)3147(Top 56%)
20M20.00 mi1.36 mi4221+1373948+1283948+1283264(Top 11%)3020(Top 19%)3020(Top 54%)
21M21.00 mi1.00 mi4125+963854+943854+943158(Top 11%)2915(Top 18%)2915(Top 52%)
35K21.75 mi0.75 mi4034+913768+863768+862426(Top 9%)2269(Top 14%)2269(Top 40%)
23M23.00 mi1.25 mi3877+1573621+1473621+1472426(Top 9%)2253(Top 14%)2253(Top 40%)
24M24.00 mi1.00 mi3784+933534+873534+872587(Top 9%)2381(Top 15%)2381(Top 42%)
40K24.85 mi0.85 mi3705+793459+753459+752700(Top 10%)2457(Top 15%)2457(Top 44%)
25.2M25.20 mi0.35 mi3692+133444+153444+154058(Top 14%)3474(Top 22%)3474(Top 62%)
Finish26.22 mi1.02 mi3583+1093341+1033341+1032385(Top 8%)2177(Top 14%)2177(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4842

Males

4516

M18-39

4516

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5095

Males

4747

M18-39

4747

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4842

Males

4516

M18-39

4516

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

4116

Males

3861

M18-39

3861

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5965

Males

5386

M18-39

5386

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4783

Males

4398

M18-39

4398

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3375

Males

3147

M18-39

3147

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3264

Males

3020

M18-39

3020

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3158

Males

2915

M18-39

2915

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2426

Males

2269

M18-39

2269

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2426

Males

2253

M18-39

2253

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2587

Males

2381

M18-39

2381

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2700

Males

2457

M18-39

2457

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4058

Males

3474

M18-39

3474

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2385

Males

2177

M18-39

2177

Passing Analysis

Category:
Athletes Passed
1902
Passed By
535
Net Change
+1367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4950
5K → 10K163196-33#4950#4983
10K → 15K15569+86#4983#4897
15K → 20K25925+234#4897#4663
20K → Half773-66#4663#4729
Half → 25K11983+36#4729#4693
25K → 30K3449+335#4693#4358
30K → 20M15013+137#4358#4221
20M → 21M11418+96#4221#4125
21M → 35K932+91#4125#4034
35K → 23M1647+157#4034#3877
23M → 24M996+93#3877#3784
24M → 40K889+79#3784#3705
40K → 25.2M3118+13#3705#3692
25.2M → Finish1167+109#3692#3583
TOTALS1902535+1367
📊

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