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BOSTON MARATHON 2025

Nels Traffie

Bib: 7608•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M50-54)
#0 / 1996
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5944
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
42:05
Rank: #6040 (-96)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:19
Rank: #6123 (-83)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:24:49
Rank: #6168 (-45)
15K → 20K
21:30 | 6:55/mi
Half· 13.11 mi
1:29:29
Rank: #6182 (-14)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:17
Rank: #6094 (+88)
Half → 25K
16:48 | 6:56/mi
30K· 18.64 mi
2:08:31
Rank: #5926 (+168)
25K → 30K
22:14 | 7:09/mi
20M
2:18:18
Rank: #5833 (+93)
30K → 20M
9:47 | 7:12/mi
21M
2:25:49
Rank: #5709 (+124)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:31:07
Rank: #5694 (+15)
21M → 35K
5:18 | 7:05/mi
23M
2:40:22
Rank: #5634 (+60)
35K → 23M
9:15 | 7:23/mi
24M
2:47:37
Rank: #5596 (+38)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
2:53:56
Rank: #5560 (+36)
24M → 40K
6:19 | 7:23/mi
25.2M
2:56:43
Rank: #5536 (+24)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:04:00
Rank: #5524 (+12)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:29
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:34:31
Pace7:13 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2920:596:4520:59
6:45
-
10K
6.21 mi10:49:3542:056:4621:06
6:47
+0:02
15K
9.32 mi11:10:491:03:196:4821:14
6:50
+0:03
20K
12.43 mi11:32:191:24:496:4921:30
6:55
+0:05
Half
13.11 mi11:36:591:29:296:504:40
6:50
-0:05
25K
15.53 mi11:53:471:46:176:5116:48
6:56
+0:06
30K
18.64 mi12:16:012:08:316:5422:14
7:09
+0:13
20M
20.00 mi12:25:482:18:186:559:47
7:12
+0:03
21M
21.00 mi12:33:192:25:496:577:31
7:31
+0:19
35K
21.75 mi12:38:372:31:076:575:18
7:05
-0:26
23M
23.00 mi12:47:522:40:226:589:15
7:23
+0:18
24M
24.00 mi12:55:072:47:376:597:15
7:15
-0:08
40K
24.85 mi13:01:262:53:567:006:19
7:23
+0:08
25.2M
25.20 mi13:04:132:56:437:012:47
8:04
+0:41
Finish
26.22 mi13:11:303:04:007:017:17
7:09
-0:55

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

6:45 /mi

Average Pace

7:01 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:42

94% of race

Time at Steady Pace

7:31

4% of race

Time at Slower Pace

2:47

2% of race

Average Pace: 7:01 /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 mi10:28:2920:596:4520:59
6:45
#5944
10K
6.21 mi10:49:3542:056:4621:06
6:47
#6040
15K
9.32 mi11:10:491:03:196:4821:14
6:50
#6123
20K
12.43 mi11:32:191:24:496:4921:30
6:55
#6168
Half
13.11 mi11:36:591:29:296:504:40
6:50
#6182
25K
15.53 mi11:53:471:46:176:5116:48
6:56
#6094
30K
18.64 mi12:16:012:08:316:5422:14
7:09
#5926
20M
20.00 mi12:25:482:18:186:559:47
7:12
#5833
21M
21.00 mi12:33:192:25:496:577:31
7:31
#5709
35K
21.75 mi12:38:372:31:076:575:18
7:05
#5694
23M
23.00 mi12:47:522:40:226:589:15
7:23
#5634
24M
24.00 mi12:55:072:47:376:597:15
7:15
#5596
40K
24.85 mi13:01:262:53:567:006:19
7:23
#5560
25.2M
25.20 mi13:04:132:56:437:012:47
8:04
#5536
Finish
26.22 mi13:11:303:04:007:017:17
7:09
#5524
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5944547054706433(Top 23%)5816(Top 36%)5816(Top 291%)
10K6.21 mi3.10 mi6040-965541-715541-716309(Top 22%)5732(Top 36%)5732(Top 287%)
15K9.32 mi3.11 mi6123-835606-655606-656433(Top 23%)5816(Top 36%)5816(Top 291%)
20K12.43 mi3.11 mi6168-455621-155621-156343(Top 22%)5698(Top 35%)5698(Top 285%)
Half13.11 mi0.68 mi6182-145625-45625-46477(Top 23%)5817(Top 36%)5817(Top 291%)
25K15.53 mi2.42 mi6094+885536+895536+895853(Top 21%)5279(Top 33%)5279(Top 264%)
30K18.64 mi3.11 mi5926+1685380+1565380+1565659(Top 20%)5062(Top 31%)5062(Top 254%)
20M20.00 mi1.36 mi5833+935294+865294+865207(Top 18%)4637(Top 29%)4637(Top 232%)
21M21.00 mi1.00 mi5709+1245189+1055189+1054704(Top 17%)4161(Top 26%)4161(Top 208%)
35K21.75 mi0.75 mi5694+155172+175172+175895(Top 21%)4994(Top 31%)4994(Top 250%)
23M23.00 mi1.25 mi5634+605100+725100+725984(Top 21%)4962(Top 31%)4962(Top 249%)
24M24.00 mi1.00 mi5596+385054+465054+466111(Top 22%)4988(Top 31%)4988(Top 250%)
40K24.85 mi0.85 mi5560+365013+415013+416122(Top 22%)4922(Top 31%)4922(Top 247%)
25.2M25.20 mi0.35 mi5536+244987+264987+266278(Top 22%)4911(Top 30%)4911(Top 246%)
Finish26.22 mi1.02 mi5524+124964+234964+236673(Top 23%)5133(Top 32%)5133(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6433

Males

5816

M50-54

5816

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6309

Males

5732

M50-54

5732

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6433

Males

5816

M50-54

5816

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6343

Males

5698

M50-54

5698

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6477

Males

5817

M50-54

5817

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5853

Males

5279

M50-54

5279

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5659

Males

5062

M50-54

5062

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5207

Males

4637

M50-54

4637

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4704

Males

4161

M50-54

4161

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5895

Males

4994

M50-54

4994

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5984

Males

4962

M50-54

4962

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6111

Males

4988

M50-54

4988

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6122

Males

4922

M50-54

4922

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6278

Males

4911

M50-54

4911

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6673

Males

5133

M50-54

5133

Passing Analysis

Category:
Athletes Passed
1485
Passed By
1065
Net Change
+420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5944
5K → 10K141237-96#5944#6040
10K → 15K115198-83#6040#6123
15K → 20K139184-45#6123#6168
20K → Half2438-14#6168#6182
Half → 25K15870+88#6182#6094
25K → 30K26496+168#6094#5926
30K → 20M11724+93#5926#5833
20M → 21M1339+124#5833#5709
21M → 35K4732+15#5709#5694
35K → 23M10848+60#5694#5634
23M → 24M7638+38#5634#5596
24M → 40K6731+36#5596#5560
40K → 25.2M3915+24#5560#5536
25.2M → Finish5745+12#5536#5524
TOTALS14851065+420
📊

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