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BOSTON MARATHON 2025

Mark Stauffer

Bib: 6511•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M55-59)
#0 / 1648
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:48
Rank: #13589
Start → 5K
23:48 | 7:40/mi
10K· 6.21 mi
46:48
Rank: #12404 (+1185)
5K → 10K
23:00 | 7:24/mi
15K· 9.32 mi
1:09:40
Rank: #11743 (+661)
10K → 15K
22:52 | 7:22/mi
20K· 12.43 mi
1:32:22
Rank: #11036 (+707)
15K → 20K
22:42 | 7:18/mi
Half· 13.11 mi
1:37:16
Rank: #10920 (+116)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:55:01
Rank: #10485 (+435)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:18:30
Rank: #9950 (+535)
25K → 30K
23:29 | 7:34/mi
20M
2:28:48
Rank: #9701 (+249)
30K → 20M
10:18 | 7:35/mi
21M
2:36:51
Rank: #9545 (+156)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:42:20
Rank: #9436 (+109)
21M → 35K
5:29 | 7:20/mi
23M
2:51:54
Rank: #9266 (+170)
35K → 23M
9:34 | 7:38/mi
24M
2:59:26
Rank: #9181 (+85)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:05:58
Rank: #9086 (+95)
24M → 40K
6:32 | 7:38/mi
25.2M
3:08:50
Rank: #9044 (+42)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:16:35
Rank: #9051 (-7)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:16
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:39:19
Pace7:35 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2823:487:4023:48
7:40
-
10K
6.21 mi11:13:2846:487:3223:00
7:24
-0:16
15K
9.32 mi11:36:201:09:407:2822:52
7:22
-0:02
20K
12.43 mi11:59:021:32:227:2622:42
7:18
-0:04
Half
13.11 mi12:03:561:37:167:254:54
7:11
-0:07
25K
15.53 mi12:21:411:55:017:2417:45
7:19
+0:08
30K
18.64 mi12:45:102:18:307:2623:29
7:34
+0:15
20M
20.00 mi12:55:282:28:487:2610:18
7:35
+0:01
21M
21.00 mi13:03:312:36:517:288:03
8:03
+0:28
35K
21.75 mi13:09:002:42:207:285:29
7:20
-0:43
23M
23.00 mi13:18:342:51:547:289:34
7:38
+0:18
24M
24.00 mi13:26:062:59:267:297:32
7:32
-0:06
40K
24.85 mi13:32:383:05:587:296:32
7:38
+0:06
25.2M
25.20 mi13:35:303:08:507:302:52
8:19
+0:41
Finish
26.22 mi13:43:153:16:357:307:45
7:36
-0:43

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

7:11 /mi

Average Pace

7:30 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:40

94% of race

Time at Steady Pace

10:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:50:2823:487:4023:48
7:40
#13589
10K
6.21 mi11:13:2846:487:3223:00
7:24
#12404
15K
9.32 mi11:36:201:09:407:2822:52
7:22
#11743
20K
12.43 mi11:59:021:32:227:2622:42
7:18
#11036
Half
13.11 mi12:03:561:37:167:254:54
7:11
#10920
25K
15.53 mi12:21:411:55:017:2417:45
7:19
#10485
30K
18.64 mi12:45:102:18:307:2623:29
7:34
#9950
20M
20.00 mi12:55:282:28:487:2610:18
7:35
#9701
21M
21.00 mi13:03:312:36:517:288:03
8:03
#9545
35K
21.75 mi13:09:002:42:207:285:29
7:20
#9436
23M
23.00 mi13:18:342:51:547:289:34
7:38
#9266
24M
24.00 mi13:26:062:59:267:297:32
7:32
#9181
40K
24.85 mi13:32:383:05:587:296:32
7:38
#9086
25.2M
25.20 mi13:35:303:08:507:302:52
8:19
#9044
Finish
26.22 mi13:43:153:16:357:307:45
7:36
#9051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi135899897989710487(Top 37%)8342(Top 52%)8342(Top 506%)
10K6.21 mi3.10 mi12404+11859351+5469351+54611190(Top 39%)8741(Top 54%)8741(Top 530%)
15K9.32 mi3.11 mi11743+6619017+3349017+33410487(Top 37%)8342(Top 52%)8342(Top 506%)
20K12.43 mi3.11 mi11036+7078647+3708647+3709087(Top 32%)7502(Top 47%)7502(Top 455%)
Half13.11 mi0.68 mi10920+1168587+608587+608901(Top 31%)7423(Top 46%)7423(Top 450%)
25K15.53 mi2.42 mi10485+4358335+2528335+2528514(Top 30%)7062(Top 44%)7062(Top 429%)
30K18.64 mi3.11 mi9950+5357987+3487987+3488141(Top 29%)6667(Top 41%)6667(Top 405%)
20M20.00 mi1.36 mi9701+2497818+1697818+1697538(Top 27%)6167(Top 38%)6167(Top 374%)
21M21.00 mi1.00 mi9545+1567701+1177701+1177636(Top 27%)6054(Top 38%)6054(Top 367%)
35K21.75 mi0.75 mi9436+1097625+767625+767412(Top 26%)5946(Top 37%)5946(Top 361%)
23M23.00 mi1.25 mi9266+1707485+1407485+1407516(Top 26%)5885(Top 37%)5885(Top 357%)
24M24.00 mi1.00 mi9181+857412+737412+737929(Top 28%)6073(Top 38%)6073(Top 369%)
40K24.85 mi0.85 mi9086+957321+917321+917692(Top 27%)5830(Top 36%)5830(Top 354%)
25.2M25.20 mi0.35 mi9044+427278+437278+437685(Top 27%)5744(Top 36%)5744(Top 349%)
Finish26.22 mi1.02 mi9051-77238+407238+409938(Top 35%)6947(Top 43%)6947(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10487

Males

8342

M55-59

8342

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11190

Males

8741

M55-59

8741

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10487

Males

8342

M55-59

8342

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9087

Males

7502

M55-59

7502

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8901

Males

7423

M55-59

7423

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8514

Males

7062

M55-59

7062

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8141

Males

6667

M55-59

6667

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7538

Males

6167

M55-59

6167

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7636

Males

6054

M55-59

6054

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7412

Males

5946

M55-59

5946

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7516

Males

5885

M55-59

5885

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7929

Males

6073

M55-59

6073

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7692

Males

5830

M55-59

5830

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7685

Males

5744

M55-59

5744

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9938

Males

6947

M55-59

6947

Passing Analysis

Category:
Athletes Passed
4848*
Passed By
309
Net Change
+4538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13589
5K → 10K120621+1185#13589#12404
10K → 15K6709+661#12404#11743
15K → 20K71710+707#11743#11036
20K → Half1182+116#11036#10920
Half → 25K4405+435#10920#10485
25K → 30K555*20+535#10485#9950
30K → 20M26717+249#9950#9701
20M → 21M17418+156#9701#9545
21M → 35K11910+109#9545#9436
35K → 23M19626+170#9436#9266
23M → 24M13045+85#9266#9181
24M → 40K12429+95#9181#9086
40K → 25.2M5917+42#9086#9044
25.2M → Finish7380-7#9044#9051
TOTALS4848*309+4538

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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