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BOSTON MARATHON 2025

Nate Melster

Bib: 5843•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #5651
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
42:11
Rank: #6206 (-555)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:04:09
Rank: #6937 (-731)
10K → 15K
21:58 | 7:04/mi
20K· 12.43 mi
1:26:53
Rank: #7441 (-504)
15K → 20K
22:44 | 7:19/mi
Half· 13.11 mi
1:31:48
Rank: #7511 (-70)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:49:59
Rank: #7791 (-280)
Half → 25K
18:11 | 7:30/mi
30K· 18.64 mi
2:14:31
Rank: #8149 (-358)
25K → 30K
24:32 | 7:54/mi
20M
2:25:24
Rank: #8288 (-139)
30K → 20M
10:53 | 8:01/mi
21M
2:34:07
Rank: #8456 (-168)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:39:54
Rank: #8496 (-40)
21M → 35K
5:47 | 7:44/mi
23M
2:50:25
Rank: #8738 (-242)
35K → 23M
10:31 | 8:24/mi
24M
2:58:36
Rank: #8883 (-145)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:06:05
Rank: #9132 (-249)
24M → 40K
7:29 | 8:45/mi
25.2M
3:09:25
Rank: #9236 (-104)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:18:06
Rank: #9552 (-316)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:48
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4020:536:4320:53
6:43
-
10K
6.21 mi10:47:5842:116:4721:18
6:51
+0:08
15K
9.32 mi11:09:561:04:096:5321:58
7:04
+0:13
20K
12.43 mi11:32:401:26:536:5922:44
7:19
+0:15
Half
13.11 mi11:37:351:31:487:004:55
7:12
-0:07
25K
15.53 mi11:55:461:49:597:0518:11
7:30
+0:18
30K
18.64 mi12:20:182:14:317:1324:32
7:54
+0:24
20M
20.00 mi12:31:112:25:247:1610:53
8:01
+0:07
21M
21.00 mi12:39:542:34:077:208:43
8:43
+0:42
35K
21.75 mi12:45:412:39:547:215:47
7:44
-0:59
23M
23.00 mi12:56:122:50:257:2510:31
8:24
+0:40
24M
24.00 mi13:04:232:58:367:278:11
8:11
-0:13
40K
24.85 mi13:11:523:06:057:297:29
8:45
+0:34
25.2M
25.20 mi13:15:123:09:257:313:20
9:40
+0:55
Finish
26.22 mi13:23:533:18:067:348:41
8:31
-1:09

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

6:43 /mi

Average Pace

7:34 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:59

56% of race

Time at Steady Pace

49:23

25% of race

Time at Slower Pace

38:44

20% of race

Average Pace: 7:33 /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 mi10:26:4020:536:4320:53
6:43
#5651
10K
6.21 mi10:47:5842:116:4721:18
6:51
#6206
15K
9.32 mi11:09:561:04:096:5321:58
7:04
#6937
20K
12.43 mi11:32:401:26:536:5922:44
7:19
#7441
Half
13.11 mi11:37:351:31:487:004:55
7:12
#7511
25K
15.53 mi11:55:461:49:597:0518:11
7:30
#7791
30K
18.64 mi12:20:182:14:317:1324:32
7:54
#8149
20M
20.00 mi12:31:112:25:247:1610:53
8:01
#8288
21M
21.00 mi12:39:542:34:077:208:43
8:43
#8456
35K
21.75 mi12:45:412:39:547:215:47
7:44
#8496
23M
23.00 mi12:56:122:50:257:2510:31
8:24
#8738
24M
24.00 mi13:04:232:58:367:278:11
8:11
#8883
40K
24.85 mi13:11:523:06:057:297:29
8:45
#9132
25.2M
25.20 mi13:15:123:09:257:313:20
9:40
#9236
Finish
26.22 mi13:23:533:18:067:348:41
8:31
#9552
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5651522752278122(Top 29%)7020(Top 44%)7020(Top 294%)
10K6.21 mi3.10 mi6206-5555686-4595686-4596928(Top 24%)6222(Top 39%)6222(Top 261%)
15K9.32 mi3.11 mi6937-7316233-5476233-5478122(Top 29%)7020(Top 44%)7020(Top 294%)
20K12.43 mi3.11 mi7441-5046590-3576590-3579177(Top 32%)7549(Top 47%)7549(Top 316%)
Half13.11 mi0.68 mi7511-706637-476637-479115(Top 32%)7547(Top 47%)7547(Top 316%)
25K15.53 mi2.42 mi7791-2806800-1636800-1639925(Top 35%)7825(Top 49%)7825(Top 328%)
30K18.64 mi3.11 mi8149-3586962-1626962-16210590(Top 37%)7972(Top 50%)7972(Top 334%)
20M20.00 mi1.36 mi8288-1397022-607022-6010482(Top 37%)7775(Top 48%)7775(Top 326%)
21M21.00 mi1.00 mi8456-1687086-647086-6411746(Top 41%)8238(Top 51%)8238(Top 345%)
35K21.75 mi0.75 mi8496-407085+17085+110255(Top 36%)7489(Top 47%)7489(Top 314%)
23M23.00 mi1.25 mi8738-2427188-1037188-10312645(Top 45%)8531(Top 53%)8531(Top 358%)
24M24.00 mi1.00 mi8883-1457236-487236-4812425(Top 44%)8376(Top 52%)8376(Top 351%)
40K24.85 mi0.85 mi9132-2497349-1137349-11314878(Top 52%)9375(Top 58%)9375(Top 393%)
25.2M25.20 mi0.35 mi9236-1047381-327381-3215344(Top 54%)9539(Top 59%)9539(Top 400%)
Finish26.22 mi1.02 mi9552-3167505-1247505-12416316(Top 57%)10065(Top 62%)10065(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8122

Males

7020

M45-49

7020

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6928

Males

6222

M45-49

6222

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8122

Males

7020

M45-49

7020

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9177

Males

7549

M45-49

7549

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9115

Males

7547

M45-49

7547

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9925

Males

7825

M45-49

7825

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10590

Males

7972

M45-49

7972

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10482

Males

7775

M45-49

7775

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11746

Males

8238

M45-49

8238

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10255

Males

7489

M45-49

7489

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12645

Males

8531

M45-49

8531

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12425

Males

8376

M45-49

8376

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14878

Males

9375

M45-49

9375

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15344

Males

9539

M45-49

9539

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16316

Males

10065

M45-49

10065

Passing Analysis

Category:
Athletes Passed
609
Passed By
4510
Net Change
-3901
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5651
5K → 10K53608-555#5651#6206
10K → 15K26757-731#6206#6937
15K → 20K39543-504#6937#7441
20K → Half1080-70#7441#7511
Half → 25K48328-280#7511#7791
25K → 30K99457-358#7791#8149
30K → 20M69208-139#8149#8288
20M → 21M47215-168#8288#8456
21M → 35K4888-40#8456#8496
35K → 23M65307-242#8496#8738
23M → 24M39184-145#8738#8883
24M → 40K32281-249#8883#9132
40K → 25.2M14118-104#9132#9236
25.2M → Finish20336-316#9236#9552
TOTALS6094510-3901
📊

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