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BOSTON MARATHON 2025

Matthew Nawn

Bib: 4786•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 37%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:46
Rank: #1210
Start → 5K
18:46 | 6:02/mi
10K· 6.21 mi
37:28
Rank: #1171 (+39)
5K → 10K
18:42 | 6:01/mi
15K· 9.32 mi
56:24
Rank: #1208 (-37)
10K → 15K
18:56 | 6:06/mi
20K· 12.43 mi
1:15:21
Rank: #1188 (+20)
15K → 20K
18:57 | 6:06/mi
Half· 13.11 mi
1:19:28
Rank: #1181 (+7)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:34:31
Rank: #1222 (-41)
Half → 25K
15:03 | 6:12/mi
30K· 18.64 mi
1:55:11
Rank: #1402 (-180)
25K → 30K
20:40 | 6:39/mi
20M
2:04:28
Rank: #1480 (-78)
30K → 20M
9:17 | 6:50/mi
21M
2:13:00
Rank: #1825 (-345)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:18:25
Rank: #1952 (-127)
21M → 35K
5:25 | 7:14/mi
23M
2:28:18
Rank: #2249 (-297)
35K → 23M
9:53 | 7:54/mi
24M
2:36:38
Rank: #2606 (-357)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
2:48:18
Rank: #4013 (-1407)
24M → 40K
11:40 | 13:39/mi
25.2M
2:54:11
Rank: #5003 (-990)
40K → 25.2M
5:53 | 17:04/mi
Finish· 26.22 mi
3:09:31
Rank: #6916 (-1913)
25.2M → Finish
15:20 | 15:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:28
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:50:03
Pace8:24 /mi
📊Positive Split: 38.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5918:466:0218:46
6:02
-
10K
6.21 mi10:40:4137:286:0218:42
6:01
-0:01
15K
9.32 mi10:59:3756:246:0318:56
6:06
+0:05
20K
12.43 mi11:18:341:15:216:0418:57
6:06
0:00
Half
13.11 mi11:22:411:19:286:044:07
6:02
-0:04
25K
15.53 mi11:37:441:34:316:0515:03
6:12
+0:10
30K
18.64 mi11:58:241:55:116:1120:40
6:39
+0:27
20M
20.00 mi12:07:412:04:286:139:17
6:50
+0:11
21M
21.00 mi12:16:132:13:006:208:32
8:32
+1:42
35K
21.75 mi12:21:382:18:256:225:25
7:14
-1:18
23M
23.00 mi12:31:312:28:186:279:53
7:54
+0:40
24M
24.00 mi12:39:512:36:386:328:20
8:20
+0:26
40K
24.85 mi12:51:312:48:186:4611:40
13:39
+5:19
25.2M
25.20 mi12:57:242:54:116:555:53
17:04
+3:25
Finish
26.22 mi13:12:443:09:317:1415:20
15:03
-2:01

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

6:01 /mi

Average Pace

7:14 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:36:38

83% of race

Time at Slower Pace

32:53

17% of race

Average Pace: 7:14 /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 mi10:21:5918:466:0218:46
6:02
#1210
10K
6.21 mi10:40:4137:286:0218:42
6:01
#1171
15K
9.32 mi10:59:3756:246:0318:56
6:06
#1208
20K
12.43 mi11:18:341:15:216:0418:57
6:06
#1188
Half
13.11 mi11:22:411:19:286:044:07
6:02
#1181
25K
15.53 mi11:37:441:34:316:0515:03
6:12
#1222
30K
18.64 mi11:58:241:55:116:1120:40
6:39
#1402
20M
20.00 mi12:07:412:04:286:139:17
6:50
#1480
21M
21.00 mi12:16:132:13:006:208:32
8:32
#1825
35K
21.75 mi12:21:382:18:256:225:25
7:14
#1952
23M
23.00 mi12:31:312:28:186:279:53
7:54
#2249
24M
24.00 mi12:39:512:36:386:328:20
8:20
#2606
40K
24.85 mi12:51:312:48:186:4611:40
13:39
#4013
25.2M
25.20 mi12:57:242:54:116:555:53
17:04
#5003
Finish
26.22 mi13:12:443:09:317:1415:20
15:03
#6916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1210114611461350(Top 5%)1282(Top 8%)1282(Top 23%)
10K6.21 mi3.10 mi1171+391108+381108+381162(Top 4%)1100(Top 7%)1100(Top 19%)
15K9.32 mi3.11 mi1208-371145-371145-371350(Top 5%)1282(Top 8%)1282(Top 23%)
20K12.43 mi3.11 mi1188+201127+181127+181173(Top 4%)1109(Top 7%)1109(Top 20%)
Half13.11 mi0.68 mi1181+71119+81119+81322(Top 5%)1256(Top 8%)1256(Top 22%)
25K15.53 mi2.42 mi1222-411156-371156-371496(Top 5%)1422(Top 9%)1422(Top 25%)
30K18.64 mi3.11 mi1402-1801326-1701326-1702655(Top 9%)2513(Top 16%)2513(Top 45%)
20M20.00 mi1.36 mi1480-781400-741400-743142(Top 11%)2918(Top 18%)2918(Top 52%)
21M21.00 mi1.00 mi1825-3451735-3351735-33510651(Top 37%)7683(Top 48%)7683(Top 136%)
35K21.75 mi0.75 mi1952-1271855-1201855-1206852(Top 24%)5611(Top 35%)5611(Top 99%)
23M23.00 mi1.25 mi2249-2972141-2862141-2869223(Top 32%)6832(Top 42%)6832(Top 121%)
24M24.00 mi1.00 mi2606-3572473-3322473-33213434(Top 47%)8853(Top 55%)8853(Top 157%)
40K24.85 mi0.85 mi4013-14073723-12503723-125026886(Top 95%)15226(Top 95%)15226(Top 270%)
25.2M25.20 mi0.35 mi5003-9904564-8414564-84128073(Top 99%)15866(Top 99%)15866(Top 281%)
Finish26.22 mi1.02 mi6916-19135940-13765940-137628246(Top 99%)15997(Top 99%)15997(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1350

Males

1282

M18-39

1282

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1162

Males

1100

M18-39

1100

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1350

Males

1282

M18-39

1282

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1173

Males

1109

M18-39

1109

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1322

Males

1256

M18-39

1256

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1496

Males

1422

M18-39

1422

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2655

Males

2513

M18-39

2513

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3142

Males

2918

M18-39

2918

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10651

Males

7683

M18-39

7683

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6852

Males

5611

M18-39

5611

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9223

Males

6832

M18-39

6832

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13434

Males

8853

M18-39

8853

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26886

Males

15226

M18-39

15226

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28073

Males

15866

M18-39

15866

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28246

Males

15997

M18-39

15997

Passing Analysis

Category:
Athletes Passed
249
Passed By
5955
Net Change
-5706
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1210
5K → 10K8647+39#1210#1171
10K → 15K2562-37#1171#1208
15K → 20K4929+20#1208#1188
20K → Half92+7#1188#1181
Half → 25K2364-41#1181#1222
25K → 30K19199-180#1222#1402
30K → 20M1391-78#1402#1480
20M → 21M2347-345#1480#1825
21M → 35K9136-127#1825#1952
35K → 23M6303-297#1952#2249
23M → 24M8365-357#2249#2606
24M → 40K01407-1407#2606#4013
40K → 25.2M0990-990#4013#5003
25.2M → Finish01913-1913#5003#6916
TOTALS2495955-5706
📊

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