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BOSTON MARATHON 2025

Daniel Kupper

Bib: 1376•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:25
Rank: #4356
Start → 5K
20:25 | 6:34/mi
10K· 6.21 mi
40:29
Rank: #3888 (+468)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:00:22
Rank: #3522 (+366)
10K → 15K
19:53 | 6:24/mi
20K· 12.43 mi
1:20:21
Rank: #3257 (+265)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:24:44
Rank: #3252 (+5)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:24
Rank: #3146 (+106)
Half → 25K
15:40 | 6:28/mi
30K· 18.64 mi
2:01:18
Rank: #3092 (+54)
25K → 30K
20:54 | 6:44/mi
20M
2:10:59
Rank: #3156 (-64)
30K → 20M
9:41 | 7:08/mi
21M
2:18:49
Rank: #3304 (-148)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:23:49
Rank: #3282 (+22)
21M → 35K
5:00 | 6:41/mi
23M
2:33:37
Rank: #3542 (-260)
35K → 23M
9:48 | 7:50/mi
24M
2:40:25
Rank: #3491 (+51)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:46:43
Rank: #3566 (-75)
24M → 40K
6:18 | 7:22/mi
25.2M
2:49:29
Rank: #3593 (-27)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:57:00
Rank: #3741 (-148)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:44
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:32:16
Pace7:02 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0920:256:3420:25
6:34
-
10K
6.21 mi10:41:1340:296:3120:04
6:28
-0:06
15K
9.32 mi11:01:061:00:226:2919:53
6:24
-0:04
20K
12.43 mi11:21:051:20:216:2819:59
6:26
+0:02
Half
13.11 mi11:25:281:24:446:284:23
6:25
-0:01
25K
15.53 mi11:41:081:40:246:2815:40
6:28
+0:03
30K
18.64 mi12:02:022:01:186:3020:54
6:44
+0:16
20M
20.00 mi12:11:432:10:596:339:41
7:08
+0:24
21M
21.00 mi12:19:332:18:496:377:50
7:50
+0:42
35K
21.75 mi12:24:332:23:496:375:00
6:41
-1:09
23M
23.00 mi12:34:212:33:376:419:48
7:50
+1:09
24M
24.00 mi12:41:092:40:256:416:48
6:48
-1:02
40K
24.85 mi12:47:272:46:436:426:18
7:22
+0:34
25.2M
25.20 mi12:50:132:49:296:442:46
8:01
+0:39
Finish
26.22 mi12:57:442:57:006:457:31
7:23
-0:38

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

6:24 /mi

Average Pace

6:45 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:15

25% of race

Time at Steady Pace

1:28:51

50% of race

Time at Slower Pace

43:54

25% of race

Average Pace: 6:45 /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 mi10:21:0920:256:3420:25
6:34
#4356
10K
6.21 mi10:41:1340:296:3120:04
6:28
#3888
15K
9.32 mi11:01:061:00:226:2919:53
6:24
#3522
20K
12.43 mi11:21:051:20:216:2819:59
6:26
#3257
Half
13.11 mi11:25:281:24:446:284:23
6:25
#3252
25K
15.53 mi11:41:081:40:246:2815:40
6:28
#3146
30K
18.64 mi12:02:022:01:186:3020:54
6:44
#3092
20M
20.00 mi12:11:432:10:596:339:41
7:08
#3156
21M
21.00 mi12:19:332:18:496:377:50
7:50
#3304
35K
21.75 mi12:24:332:23:496:375:00
6:41
#3282
23M
23.00 mi12:34:212:33:376:419:48
7:50
#3542
24M
24.00 mi12:41:092:40:256:416:48
6:48
#3491
40K
24.85 mi12:47:272:46:436:426:18
7:22
#3566
25.2M
25.20 mi12:50:132:49:296:442:46
8:01
#3593
Finish
26.22 mi12:57:442:57:006:457:31
7:23
#3741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4356409340932937(Top 10%)2801(Top 17%)2801(Top 50%)
10K6.21 mi3.10 mi3888+4683677+4163677+4163423(Top 12%)3247(Top 20%)3247(Top 58%)
15K9.32 mi3.11 mi3522+3663340+3373340+3372937(Top 10%)2801(Top 17%)2801(Top 50%)
20K12.43 mi3.11 mi3257+2653100+2403100+2402706(Top 10%)2576(Top 16%)2576(Top 46%)
Half13.11 mi0.68 mi3252+53096+43096+43205(Top 11%)3046(Top 19%)3046(Top 54%)
25K15.53 mi2.42 mi3146+1062999+972999+972681(Top 9%)2549(Top 16%)2549(Top 45%)
30K18.64 mi3.11 mi3092+542941+582941+583008(Top 11%)2828(Top 18%)2828(Top 50%)
20M20.00 mi1.36 mi3156-642989-482989-484784(Top 17%)4310(Top 27%)4310(Top 76%)
21M21.00 mi1.00 mi3304-1483126-1373126-1376334(Top 22%)5270(Top 33%)5270(Top 93%)
35K21.75 mi0.75 mi3282+223099+273099+273383(Top 12%)3082(Top 19%)3082(Top 55%)
23M23.00 mi1.25 mi3542-2603327-2283327-2288735(Top 31%)6560(Top 41%)6560(Top 116%)
24M24.00 mi1.00 mi3491+513276+513276+513483(Top 12%)3118(Top 19%)3118(Top 55%)
40K24.85 mi0.85 mi3566-753333-573333-575975(Top 21%)4821(Top 30%)4821(Top 85%)
25.2M25.20 mi0.35 mi3593-273354-213354-215954(Top 21%)4680(Top 29%)4680(Top 83%)
Finish26.22 mi1.02 mi3741-1483476-1223476-1228270(Top 29%)6046(Top 38%)6046(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2937

Males

2801

M18-39

2801

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3423

Males

3247

M18-39

3247

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2937

Males

2801

M18-39

2801

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2706

Males

2576

M18-39

2576

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3205

Males

3046

M18-39

3046

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2681

Males

2549

M18-39

2549

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3008

Males

2828

M18-39

2828

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4784

Males

4310

M18-39

4310

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6334

Males

5270

M18-39

5270

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3383

Males

3082

M18-39

3082

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8735

Males

6560

M18-39

6560

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3483

Males

3118

M18-39

3118

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5975

Males

4821

M18-39

4821

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5954

Males

4680

M18-39

4680

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8270

Males

6046

M18-39

6046

Passing Analysis

Category:
Athletes Passed
1683
Passed By
1068
Net Change
+615
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4356
5K → 10K49729+468#4356#3888
10K → 15K3726+366#3888#3522
15K → 20K2727+265#3522#3257
20K → Half2015+5#3257#3252
Half → 25K13024+106#3252#3146
25K → 30K13480+54#3146#3092
30K → 20M40104-64#3092#3156
20M → 21M16164-148#3156#3304
21M → 35K4624+22#3304#3282
35K → 23M18278-260#3282#3542
23M → 24M7322+51#3542#3491
24M → 40K28103-75#3491#3566
40K → 25.2M1946-27#3566#3593
25.2M → Finish18166-148#3593#3741
TOTALS16831068+615
📊

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