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BOSTON MARATHON 2025

Andrew Callahan

Bib: 954•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:57
Rank: #1421
Start → 5K
18:57 | 6:06/mi
10K· 6.21 mi
37:43
Rank: #1313 (+108)
5K → 10K
18:46 | 6:02/mi
15K· 9.32 mi
56:35
Rank: #1274 (+39)
10K → 15K
18:52 | 6:04/mi
20K· 12.43 mi
1:15:38
Rank: #1268 (+6)
15K → 20K
19:03 | 6:08/mi
Half· 13.11 mi
1:19:45
Rank: #1259 (+9)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:34:47
Rank: #1284 (-25)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:55:04
Rank: #1376 (-92)
25K → 30K
20:17 | 6:32/mi
20M
2:04:11
Rank: #1420 (-44)
30K → 20M
9:07 | 6:43/mi
21M
2:11:13
Rank: #1444 (-24)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:15:59
Rank: #1438 (+6)
21M → 35K
4:46 | 6:22/mi
23M
2:24:12
Rank: #1424 (+14)
35K → 23M
8:13 | 6:34/mi
24M
2:30:42
Rank: #1419 (+5)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:36:21
Rank: #1419
24M → 40K
5:39 | 6:36/mi
25.2M
2:38:51
Rank: #1428 (-9)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:45:13
Rank: #1416 (+12)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:45
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:25:28
Pace6:31 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4618:576:0618:57
6:06
-
10K
6.21 mi10:38:3237:436:0418:46
6:02
-0:04
15K
9.32 mi10:57:2456:356:0418:52
6:04
+0:02
20K
12.43 mi11:16:271:15:386:0519:03
6:08
+0:04
Half
13.11 mi11:20:341:19:456:054:07
6:02
-0:06
25K
15.53 mi11:35:361:34:476:0615:02
6:12
+0:10
30K
18.64 mi11:55:531:55:046:1020:17
6:32
+0:20
20M
20.00 mi12:05:002:04:116:139:07
6:43
+0:11
21M
21.00 mi12:12:022:11:136:157:02
7:02
+0:19
35K
21.75 mi12:16:482:15:596:154:46
6:22
-0:40
23M
23.00 mi12:25:012:24:126:168:13
6:34
+0:12
24M
24.00 mi12:31:312:30:426:176:30
6:30
-0:04
40K
24.85 mi12:37:102:36:216:175:39
6:36
+0:06
25.2M
25.20 mi12:39:402:38:516:182:30
7:15
+0:39
Finish
26.22 mi12:46:022:45:136:186:22
6:15
-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

6:02 /mi

Average Pace

6:18 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:45

48% of race

Time at Steady Pace

52:57

32% of race

Time at Slower Pace

32:31

20% of race

Average Pace: 6:18 /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 mi10:19:4618:576:0618:57
6:06
#1421
10K
6.21 mi10:38:3237:436:0418:46
6:02
#1313
15K
9.32 mi10:57:2456:356:0418:52
6:04
#1274
20K
12.43 mi11:16:271:15:386:0519:03
6:08
#1268
Half
13.11 mi11:20:341:19:456:054:07
6:02
#1259
25K
15.53 mi11:35:361:34:476:0615:02
6:12
#1284
30K
18.64 mi11:55:531:55:046:1020:17
6:32
#1376
20M
20.00 mi12:05:002:04:116:139:07
6:43
#1420
21M
21.00 mi12:12:022:11:136:157:02
7:02
#1444
35K
21.75 mi12:16:482:15:596:154:46
6:22
#1438
23M
23.00 mi12:25:012:24:126:168:13
6:34
#1424
24M
24.00 mi12:31:312:30:426:176:30
6:30
#1419
40K
24.85 mi12:37:102:36:216:175:39
6:36
#1419
25.2M
25.20 mi12:39:402:38:516:182:30
7:15
#1428
Finish
26.22 mi12:46:022:45:136:186:22
6:15
#1416
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1421135313531273(Top 4%)1208(Top 8%)1208(Top 21%)
10K6.21 mi3.10 mi1313+1081250+1031250+1031231(Top 4%)1167(Top 7%)1167(Top 21%)
15K9.32 mi3.11 mi1274+391210+401210+401273(Top 4%)1208(Top 8%)1208(Top 21%)
20K12.43 mi3.11 mi1268+61200+101200+101282(Top 5%)1216(Top 8%)1216(Top 22%)
Half13.11 mi0.68 mi1259+91191+91191+91282(Top 5%)1216(Top 8%)1216(Top 22%)
25K15.53 mi2.42 mi1284-251214-231214-231453(Top 5%)1381(Top 9%)1381(Top 24%)
30K18.64 mi3.11 mi1376-921300-861300-862100(Top 7%)1993(Top 12%)1993(Top 35%)
20M20.00 mi1.36 mi1420-441340-401340-402482(Top 9%)2336(Top 15%)2336(Top 41%)
21M21.00 mi1.00 mi1444-241364-241364-242362(Top 8%)2203(Top 14%)2203(Top 39%)
35K21.75 mi0.75 mi1438+61359+51359+51870(Top 7%)1754(Top 11%)1754(Top 31%)
23M23.00 mi1.25 mi1424+141344+151344+151672(Top 6%)1561(Top 10%)1561(Top 28%)
24M24.00 mi1.00 mi1419+51339+51339+52027(Top 7%)1880(Top 12%)1880(Top 33%)
40K24.85 mi0.85 mi14191340-11340-11976(Top 7%)1819(Top 11%)1819(Top 32%)
25.2M25.20 mi0.35 mi1428-91348-81348-82275(Top 8%)2028(Top 13%)2028(Top 36%)
Finish26.22 mi1.02 mi1416+121337+111337+111677(Top 6%)1553(Top 10%)1553(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1273

Males

1208

M18-39

1208

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1231

Males

1167

M18-39

1167

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1273

Males

1208

M18-39

1208

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1282

Males

1216

M18-39

1216

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1282

Males

1216

M18-39

1216

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1453

Males

1381

M18-39

1381

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2100

Males

1993

M18-39

1993

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2482

Males

2336

M18-39

2336

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2362

Males

2203

M18-39

2203

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1870

Males

1754

M18-39

1754

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1672

Males

1561

M18-39

1561

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2027

Males

1880

M18-39

1880

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1976

Males

1819

M18-39

1819

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2275

Males

2028

M18-39

2028

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1677

Males

1553

M18-39

1553

Passing Analysis

Category:
Athletes Passed
517
Passed By
512
Net Change
+5
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1421
5K → 10K13426+108#1421#1313
10K → 15K6223+39#1313#1274
15K → 20K4842+6#1274#1268
20K → Half156+9#1268#1259
Half → 25K3459-25#1259#1284
25K → 30K29121-92#1284#1376
30K → 20M1862-44#1376#1420
20M → 21M2044-24#1420#1444
21M → 35K2418+6#1444#1438
35K → 23M4632+14#1438#1424
23M → 24M3328+5#1424#1419
24M → 40K20200#1419#1419
40K → 25.2M413-9#1419#1428
25.2M → Finish3018+12#1428#1416
TOTALS517512+5
📊

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