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BOSTON MARATHON 2025

Jeff Crumbliss

Bib: 9230•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M50-54)
#0 / 1996
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #5638
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:46
Rank: #5576 (+62)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:25
Rank: #6248 (-672)
10K → 15K
21:39 | 6:58/mi
20K· 12.43 mi
1:24:31
Rank: #5947 (+301)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:29:06
Rank: #5922 (+25)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:41
Rank: #5744 (+178)
Half → 25K
16:35 | 6:50/mi
30K· 18.64 mi
2:08:14
Rank: #5810 (-66)
25K → 30K
22:33 | 7:15/mi
20M
2:18:28
Rank: #5895 (-85)
30K → 20M
10:14 | 7:32/mi
21M
2:26:38
Rank: #5974 (-79)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:32:08
Rank: #6006 (-32)
21M → 35K
5:30 | 7:21/mi
23M
2:41:50
Rank: #6017 (-11)
35K → 23M
9:42 | 7:45/mi
24M
2:49:32
Rank: #6090 (-73)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
2:56:15
Rank: #6137 (-47)
24M → 40K
6:43 | 7:51/mi
25.2M
2:59:15
Rank: #6164 (-27)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:07:22
Rank: #6321 (-157)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:06
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:38:16
Pace7:30 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1420:536:4320:53
6:43
-
10K
6.21 mi11:07:0741:466:4320:53
6:43
0:00
15K
9.32 mi11:28:461:03:256:4821:39
6:58
+0:15
20K
12.43 mi11:49:521:24:316:4821:06
6:47
-0:11
Half
13.11 mi11:54:271:29:066:484:35
6:43
-0:04
25K
15.53 mi12:11:021:45:416:4816:35
6:50
+0:07
30K
18.64 mi12:33:352:08:146:5322:33
7:15
+0:25
20M
20.00 mi12:43:492:18:286:5510:14
7:32
+0:17
21M
21.00 mi12:51:592:26:386:598:10
8:10
+0:38
35K
21.75 mi12:57:292:32:087:005:30
7:21
-0:49
23M
23.00 mi13:07:112:41:507:029:42
7:45
+0:24
24M
24.00 mi13:14:532:49:327:047:42
7:42
-0:03
40K
24.85 mi13:21:362:56:157:056:43
7:51
+0:09
25.2M
25.20 mi13:24:362:59:157:073:00
8:42
+0:51
Finish
26.22 mi13:32:433:07:227:098:07
7:58
-0:44

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

6:43 /mi

Average Pace

7:09 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:41

56% of race

Time at Steady Pace

38:17

20% of race

Time at Slower Pace

43:24

23% of race

Average Pace: 7:09 /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 mi10:46:1420:536:4320:53
6:43
#5638
10K
6.21 mi11:07:0741:466:4320:53
6:43
#5576
15K
9.32 mi11:28:461:03:256:4821:39
6:58
#6248
20K
12.43 mi11:49:521:24:316:4821:06
6:47
#5947
Half
13.11 mi11:54:271:29:066:484:35
6:43
#5922
25K
15.53 mi12:11:021:45:416:4816:35
6:50
#5744
30K
18.64 mi12:33:352:08:146:5322:33
7:15
#5810
20M
20.00 mi12:43:492:18:286:5510:14
7:32
#5895
21M
21.00 mi12:51:592:26:386:598:10
8:10
#5974
35K
21.75 mi12:57:292:32:087:005:30
7:21
#6006
23M
23.00 mi13:07:112:41:507:029:42
7:45
#6017
24M
24.00 mi13:14:532:49:327:047:42
7:42
#6090
40K
24.85 mi13:21:362:56:157:056:43
7:51
#6137
25.2M
25.20 mi13:24:362:59:157:073:00
8:42
#6164
Finish
26.22 mi13:32:433:07:227:098:07
7:58
#6321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5638521452147417(Top 26%)6549(Top 41%)6549(Top 328%)
10K6.21 mi3.10 mi5576+625154+605154+605527(Top 19%)5088(Top 32%)5088(Top 255%)
15K9.32 mi3.11 mi6248-6725710-5565710-5567417(Top 26%)6549(Top 41%)6549(Top 328%)
20K12.43 mi3.11 mi5947+3015440+2705440+2705206(Top 18%)4795(Top 30%)4795(Top 240%)
Half13.11 mi0.68 mi5922+255423+175423+175431(Top 19%)4986(Top 31%)4986(Top 250%)
25K15.53 mi2.42 mi5744+1785262+1615262+1615191(Top 18%)4757(Top 30%)4757(Top 238%)
30K18.64 mi3.11 mi5810-665287-255287-256208(Top 22%)5458(Top 34%)5458(Top 273%)
20M20.00 mi1.36 mi5895-855340-535340-537181(Top 25%)5944(Top 37%)5944(Top 298%)
21M21.00 mi1.00 mi5974-795386-465386-468327(Top 29%)6427(Top 40%)6427(Top 322%)
35K21.75 mi0.75 mi6006-325397-115397-117503(Top 26%)5980(Top 37%)5980(Top 300%)
23M23.00 mi1.25 mi6017-115398-15398-18167(Top 29%)6251(Top 39%)6251(Top 313%)
24M24.00 mi1.00 mi6090-735437-395437-399077(Top 32%)6679(Top 41%)6679(Top 335%)
40K24.85 mi0.85 mi6137-475452-155452-159124(Top 32%)6571(Top 41%)6571(Top 329%)
25.2M25.20 mi0.35 mi6164-275460-85460-89895(Top 35%)6871(Top 43%)6871(Top 344%)
Finish26.22 mi1.02 mi6321-1575542-825542-8212599(Top 44%)8317(Top 52%)8317(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7417

Males

6549

M50-54

6549

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5527

Males

5088

M50-54

5088

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7417

Males

6549

M50-54

6549

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5206

Males

4795

M50-54

4795

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5431

Males

4986

M50-54

4986

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5191

Males

4757

M50-54

4757

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6208

Males

5458

M50-54

5458

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7181

Males

5944

M50-54

5944

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8327

Males

6427

M50-54

6427

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7503

Males

5980

M50-54

5980

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8167

Males

6251

M50-54

6251

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9077

Males

6679

M50-54

6679

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9124

Males

6571

M50-54

6571

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9895

Males

6871

M50-54

6871

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12599

Males

8317

M50-54

8317

Passing Analysis

Category:
Athletes Passed
1299
Passed By
1982
Net Change
-683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5638
5K → 10K213151+62#5638#5576
10K → 15K34706-672#5576#6248
15K → 20K32221+301#6248#5947
20K → Half3712+25#5947#5922
Half → 25K20931+178#5922#5744
25K → 30K167233-66#5744#5810
30K → 20M44129-85#5810#5895
20M → 21M42121-79#5895#5974
21M → 35K3769-32#5974#6006
35K → 23M7384-11#6006#6017
23M → 24M37110-73#6017#6090
24M → 40K4289-47#6090#6137
40K → 25.2M1946-27#6137#6164
25.2M → Finish23180-157#6164#6321
TOTALS12991982-683
📊

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