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BOSTON MARATHON 2025

Todd Komplin

Bib: 10873•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 29%
Division (M50-54)
#0 / 1996
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:00
Rank: #8460
Start → 5K
22:00 | 7:05/mi
10K· 6.21 mi
44:06
Rank: #8616 (-156)
5K → 10K
22:06 | 7:07/mi
15K· 9.32 mi
1:06:06
Rank: #8412 (+204)
10K → 15K
22:00 | 7:05/mi
20K· 12.43 mi
1:28:23
Rank: #8253 (+159)
15K → 20K
22:17 | 7:10/mi
Half· 13.11 mi
1:33:13
Rank: #8239 (+14)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:50:39
Rank: #8086 (+153)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:14:28
Rank: #8135 (-49)
25K → 30K
23:49 | 7:40/mi
20M
2:24:53
Rank: #8082 (+53)
30K → 20M
10:25 | 7:40/mi
21M
2:33:11
Rank: #8090 (-8)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:38:43
Rank: #8046 (+44)
21M → 35K
5:32 | 7:24/mi
23M
2:48:30
Rank: #8028 (+18)
35K → 23M
9:47 | 7:49/mi
24M
2:56:16
Rank: #8060 (-32)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:02:52
Rank: #8042 (+18)
24M → 40K
6:36 | 7:43/mi
25.2M
3:05:49
Rank: #8044 (-2)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:13:43
Rank: #8126 (-82)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:13
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:40:30
Pace7:40 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3622:007:0522:00
7:05
-
10K
6.21 mi11:10:4244:067:0622:06
7:07
+0:02
15K
9.32 mi11:32:421:06:067:0622:00
7:05
-0:02
20K
12.43 mi11:54:591:28:237:0722:17
7:10
+0:05
Half
13.11 mi11:59:491:33:137:074:50
7:05
-0:05
25K
15.53 mi12:17:151:50:397:0717:26
7:11
+0:06
30K
18.64 mi12:41:042:14:287:1323:49
7:40
+0:29
20M
20.00 mi12:51:292:24:537:1510:25
7:40
0:00
21M
21.00 mi12:59:472:33:117:188:18
8:18
+0:38
35K
21.75 mi13:05:192:38:437:185:32
7:24
-0:54
23M
23.00 mi13:15:062:48:307:209:47
7:49
+0:25
24M
24.00 mi13:22:522:56:167:217:46
7:46
-0:03
40K
24.85 mi13:29:283:02:527:216:36
7:43
-0:03
25.2M
25.20 mi13:32:253:05:497:222:57
8:33
+0:50
Finish
26.22 mi13:40:193:13:437:247:54
7:45
-0:48

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

7:05 /mi

Average Pace

7:24 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:11

60% of race

Time at Steady Pace

1:06:17

34% of race

Time at Slower Pace

11:15

6% of race

Average Pace: 7:23 /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 mi10:48:3622:007:0522:00
7:05
#8460
10K
6.21 mi11:10:4244:067:0622:06
7:07
#8616
15K
9.32 mi11:32:421:06:067:0622:00
7:05
#8412
20K
12.43 mi11:54:591:28:237:0722:17
7:10
#8253
Half
13.11 mi11:59:491:33:137:074:50
7:05
#8239
25K
15.53 mi12:17:151:50:397:0717:26
7:11
#8086
30K
18.64 mi12:41:042:14:287:1323:49
7:40
#8135
20M
20.00 mi12:51:292:24:537:1510:25
7:40
#8082
21M
21.00 mi12:59:472:33:117:188:18
8:18
#8090
35K
21.75 mi13:05:192:38:437:185:32
7:24
#8046
23M
23.00 mi13:15:062:48:307:209:47
7:49
#8028
24M
24.00 mi13:22:522:56:167:217:46
7:46
#8060
40K
24.85 mi13:29:283:02:527:216:36
7:43
#8042
25.2M
25.20 mi13:32:253:05:497:222:57
8:33
#8044
Finish
26.22 mi13:40:193:13:437:247:54
7:45
#8126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8460729072908205(Top 29%)7063(Top 44%)7063(Top 354%)
10K6.21 mi3.10 mi8616-1567367-777367-778775(Top 31%)7460(Top 46%)7460(Top 374%)
15K9.32 mi3.11 mi8412+2047228+1397228+1398205(Top 29%)7063(Top 44%)7063(Top 354%)
20K12.43 mi3.11 mi8253+1597105+1237105+1237979(Top 28%)6862(Top 43%)6862(Top 344%)
Half13.11 mi0.68 mi8239+147096+97096+98150(Top 29%)6989(Top 43%)6989(Top 350%)
25K15.53 mi2.42 mi8086+1536980+1166980+1167536(Top 27%)6466(Top 40%)6466(Top 324%)
30K18.64 mi3.11 mi8135-496952+286952+288939(Top 31%)7101(Top 44%)7101(Top 356%)
20M20.00 mi1.36 mi8082+536886+666886+668115(Top 29%)6513(Top 40%)6513(Top 326%)
21M21.00 mi1.00 mi8090-86859+276859+279190(Top 32%)6920(Top 43%)6920(Top 347%)
35K21.75 mi0.75 mi8046+446813+466813+467864(Top 28%)6218(Top 39%)6218(Top 312%)
23M23.00 mi1.25 mi8028+186756+576756+578661(Top 30%)6527(Top 41%)6527(Top 327%)
24M24.00 mi1.00 mi8060-326739+176739+179528(Top 34%)6920(Top 43%)6920(Top 347%)
40K24.85 mi0.85 mi8042+186695+446695+448191(Top 29%)6090(Top 38%)6090(Top 305%)
25.2M25.20 mi0.35 mi8044-26689+66689+69038(Top 32%)6457(Top 40%)6457(Top 323%)
Finish26.22 mi1.02 mi8126-826703-146703-1411045(Top 39%)7522(Top 47%)7522(Top 377%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8205

Males

7063

M50-54

7063

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8775

Males

7460

M50-54

7460

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8205

Males

7063

M50-54

7063

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7979

Males

6862

M50-54

6862

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8150

Males

6989

M50-54

6989

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7536

Males

6466

M50-54

6466

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8939

Males

7101

M50-54

7101

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8115

Males

6513

M50-54

6513

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9190

Males

6920

M50-54

6920

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7864

Males

6218

M50-54

6218

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8661

Males

6527

M50-54

6527

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9528

Males

6920

M50-54

6920

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8191

Males

6090

M50-54

6090

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9038

Males

6457

M50-54

6457

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11045

Males

7522

M50-54

7522

Passing Analysis

Category:
Athletes Passed
1692
Passed By
1358
Net Change
+334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8460
5K → 10K143299-156#8460#8616
10K → 15K26561+204#8616#8412
15K → 20K24081+159#8412#8253
20K → Half2410+14#8253#8239
Half → 25K21057+153#8239#8086
25K → 30K171220-49#8086#8135
30K → 20M12875+53#8135#8082
20M → 21M96104-8#8082#8090
21M → 35K7531+44#8090#8046
35K → 23M122104+18#8046#8028
23M → 24M6799-32#8028#8060
24M → 40K7254+18#8060#8042
40K → 25.2M3234-2#8042#8044
25.2M → Finish47129-82#8044#8126
TOTALS16921358+334
📊

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