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BOSTON MARATHON 2025

Tom Derrig

Bib: 5199•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:47
Rank: #2867
Start → 5K
19:47 | 6:22/mi
10K· 6.21 mi
39:52
Rank: #3167 (-300)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
59:51
Rank: #3140 (+27)
10K → 15K
19:59 | 6:26/mi
20K· 12.43 mi
1:20:00
Rank: #3091 (+49)
15K → 20K
20:09 | 6:29/mi
Half· 13.11 mi
1:24:23
Rank: #3092 (-1)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:08
Rank: #3024 (+68)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
2:00:41
Rank: #2876 (+148)
25K → 30K
20:33 | 6:37/mi
20M
2:09:45
Rank: #2795 (+81)
30K → 20M
9:04 | 6:40/mi
21M
2:16:45
Rank: #2733 (+62)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:21:33
Rank: #2689 (+44)
21M → 35K
4:48 | 6:25/mi
23M
2:29:46
Rank: #2577 (+112)
35K → 23M
8:13 | 6:34/mi
24M
2:36:10
Rank: #2494 (+83)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:41:42
Rank: #2441 (+53)
24M → 40K
5:32 | 6:28/mi
25.2M
2:44:08
Rank: #2411 (+30)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:50:31
Rank: #2359 (+52)
25.2M → Finish
6:23 | 6:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:23
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:26:08
Pace6:34 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0019:476:2219:47
6:22
-
10K
6.21 mi10:44:0539:526:2520:05
6:28
+0:06
15K
9.32 mi11:04:0459:516:2519:59
6:26
-0:02
20K
12.43 mi11:24:131:20:006:2620:09
6:29
+0:03
Half
13.11 mi11:28:361:24:236:264:23
6:25
-0:04
25K
15.53 mi11:44:211:40:086:2715:45
6:30
+0:05
30K
18.64 mi12:04:542:00:416:2820:33
6:37
+0:07
20M
20.00 mi12:13:582:09:456:299:04
6:40
+0:03
21M
21.00 mi12:20:582:16:456:317:00
7:00
+0:20
35K
21.75 mi12:25:462:21:336:314:48
6:25
-0:35
23M
23.00 mi12:33:592:29:466:318:13
6:34
+0:09
24M
24.00 mi12:40:232:36:106:306:24
6:24
-0:10
40K
24.85 mi12:45:552:41:426:305:32
6:28
+0:04
25.2M
25.20 mi12:48:212:44:086:312:26
7:03
+0:35
Finish
26.22 mi12:54:442:50:316:306:23
6:16
-0:47

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

6:16 /mi

Average Pace

6:30 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:05

94% of race

Time at Steady Pace

9:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:24:0019:476:2219:47
6:22
#2867
10K
6.21 mi10:44:0539:526:2520:05
6:28
#3167
15K
9.32 mi11:04:0459:516:2519:59
6:26
#3140
20K
12.43 mi11:24:131:20:006:2620:09
6:29
#3091
Half
13.11 mi11:28:361:24:236:264:23
6:25
#3092
25K
15.53 mi11:44:211:40:086:2715:45
6:30
#3024
30K
18.64 mi12:04:542:00:416:2820:33
6:37
#2876
20M
20.00 mi12:13:582:09:456:299:04
6:40
#2795
21M
21.00 mi12:20:582:16:456:317:00
7:00
#2733
35K
21.75 mi12:25:462:21:336:314:48
6:25
#2689
23M
23.00 mi12:33:592:29:466:318:13
6:34
#2577
24M
24.00 mi12:40:232:36:106:306:24
6:24
#2494
40K
24.85 mi12:45:552:41:426:305:32
6:28
#2441
25.2M
25.20 mi12:48:212:44:086:312:26
7:03
#2411
Finish
26.22 mi12:54:442:50:316:306:23
6:16
#2359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2867272827283126(Top 11%)2975(Top 18%)2975(Top 53%)
10K6.21 mi3.10 mi3167-3003012-2843012-2843462(Top 12%)3281(Top 20%)3281(Top 58%)
15K9.32 mi3.11 mi3140+272989+232989+233126(Top 11%)2975(Top 18%)2975(Top 53%)
20K12.43 mi3.11 mi3091+492946+432946+433035(Top 11%)2887(Top 18%)2887(Top 51%)
Half13.11 mi0.68 mi3092-12947-12947-13156(Top 11%)2997(Top 19%)2997(Top 53%)
25K15.53 mi2.42 mi3024+682882+652882+652857(Top 10%)2718(Top 17%)2718(Top 48%)
30K18.64 mi3.11 mi2876+1482740+1422740+1422466(Top 9%)2334(Top 14%)2334(Top 41%)
20M20.00 mi1.36 mi2795+812662+782662+782330(Top 8%)2200(Top 14%)2200(Top 39%)
21M21.00 mi1.00 mi2733+622601+612601+612240(Top 8%)2091(Top 13%)2091(Top 37%)
35K21.75 mi0.75 mi2689+442558+432558+432080(Top 7%)1947(Top 12%)1947(Top 35%)
23M23.00 mi1.25 mi2577+1122453+1052453+1051697(Top 6%)1586(Top 10%)1586(Top 28%)
24M24.00 mi1.00 mi2494+832369+842369+841653(Top 6%)1540(Top 10%)1540(Top 27%)
40K24.85 mi0.85 mi2441+532317+522317+521515(Top 5%)1402(Top 9%)1402(Top 25%)
25.2M25.20 mi0.35 mi2411+302288+292288+291647(Top 6%)1504(Top 9%)1504(Top 27%)
Finish26.22 mi1.02 mi2359+522236+522236+521754(Top 6%)1624(Top 10%)1624(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3126

Males

2975

M18-39

2975

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3462

Males

3281

M18-39

3281

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3126

Males

2975

M18-39

2975

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3035

Males

2887

M18-39

2887

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3156

Males

2997

M18-39

2997

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2857

Males

2718

M18-39

2718

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2466

Males

2334

M18-39

2334

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2330

Males

2200

M18-39

2200

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2240

Males

2091

M18-39

2091

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2080

Males

1947

M18-39

1947

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1697

Males

1586

M18-39

1586

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1653

Males

1540

M18-39

1540

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1515

Males

1402

M18-39

1402

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1647

Males

1504

M18-39

1504

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1754

Males

1624

M18-39

1624

Passing Analysis

Category:
Athletes Passed
1143
Passed By
635
Net Change
+508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2867
5K → 10K44344-300#2867#3167
10K → 15K10073+27#3167#3140
15K → 20K11061+49#3140#3091
20K → Half1617-1#3091#3092
Half → 25K9123+68#3092#3024
25K → 30K19345+148#3024#2876
30K → 20M9716+81#2876#2795
20M → 21M7513+62#2795#2733
21M → 35K506+44#2733#2689
35K → 23M1186+112#2689#2577
23M → 24M9310+83#2577#2494
24M → 40K607+53#2494#2441
40K → 25.2M322+30#2441#2411
25.2M → Finish6412+52#2411#2359
TOTALS1143635+508
📊

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