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BOSTON MARATHON 2025

Chase Bulten

Bib: 486•M

KY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.5%
Gender (Male)
#0 / 16105
Top 0.7%
Division (M18-39)
#0 / 5642
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:05
Rank: #217
Start → 5K
17:05 | 5:30/mi
10K· 6.21 mi
34:03
Rank: #186 (+31)
5K → 10K
16:58 | 5:28/mi
15K· 9.32 mi
51:07
Rank: #176 (+10)
10K → 15K
17:04 | 5:30/mi
20K· 12.43 mi
1:08:06
Rank: #147 (+29)
15K → 20K
16:59 | 5:28/mi
Half· 13.11 mi
1:11:44
Rank: #138 (+9)
20K → Half
3:38 | 5:20/mi
25K· 15.53 mi
1:24:55
Rank: #126 (+12)
Half → 25K
13:11 | 5:26/mi
30K· 18.64 mi
1:42:14
Rank: #123 (+3)
25K → 30K
17:19 | 5:34/mi
20M
1:49:57
Rank: #120 (+3)
30K → 20M
7:43 | 5:41/mi
21M
1:56:00
Rank: #121 (-1)
20M → 21M
6:03 | 6:03/mi
35K· 21.75 mi
2:00:08
Rank: #120 (+1)
21M → 35K
4:08 | 5:31/mi
23M
2:07:19
Rank: #116 (+4)
35K → 23M
7:11 | 5:44/mi
24M
2:13:06
Rank: #118 (-2)
23M → 24M
5:47 | 5:47/mi
40K· 24.85 mi
2:18:14
Rank: #118
24M → 40K
5:08 | 6:00/mi
25.2M
2:20:32
Rank: #118
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:26:47
Rank: #132 (-14)
25.2M → Finish
6:15 | 6:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:11:44
Pace5:28 /mi
2nd Half
Distance13.11 mi
Time1:15:03
Pace5:44 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:0917:055:3017:05
5:30
-
10K
6.21 mi10:34:0734:035:2916:58
5:28
-0:02
15K
9.32 mi10:51:1151:075:2917:04
5:30
+0:02
20K
12.43 mi11:08:101:08:065:2916:59
5:28
-0:02
Half
13.11 mi11:11:481:11:445:283:38
5:20
-0:08
25K
15.53 mi11:24:591:24:555:2813:11
5:26
+0:06
30K
18.64 mi11:42:181:42:145:2917:19
5:34
+0:08
20M
20.00 mi11:50:011:49:575:307:43
5:41
+0:07
21M
21.00 mi11:56:041:56:005:316:03
6:03
+0:22
35K
21.75 mi12:00:122:00:085:314:08
5:31
-0:32
23M
23.00 mi12:07:232:07:195:327:11
5:44
+0:13
24M
24.00 mi12:13:102:13:065:335:47
5:47
+0:03
40K
24.85 mi12:18:182:18:145:345:08
6:00
+0:13
25.2M
25.20 mi12:20:362:20:325:352:18
6:40
+0:40
Finish
26.22 mi12:26:512:26:475:366:15
6:08
-0:32

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

5:20 /mi

Average Pace

5:36 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38

2% of race

Time at Steady Pace

1:57:38

80% of race

Time at Slower Pace

25:31

17% of race

Average Pace: 5:36 /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 mi10:17:0917:055:3017:05
5:30
#217
10K
6.21 mi10:34:0734:035:2916:58
5:28
#186
15K
9.32 mi10:51:1151:075:2917:04
5:30
#176
20K
12.43 mi11:08:101:08:065:2916:59
5:28
#147
Half
13.11 mi11:11:481:11:445:283:38
5:20
#138
25K
15.53 mi11:24:591:24:555:2813:11
5:26
#126
30K
18.64 mi11:42:181:42:145:2917:19
5:34
#123
20M
20.00 mi11:50:011:49:575:307:43
5:41
#120
21M
21.00 mi11:56:041:56:005:316:03
6:03
#121
35K
21.75 mi12:00:122:00:085:314:08
5:31
#120
23M
23.00 mi12:07:232:07:195:327:11
5:44
#116
24M
24.00 mi12:13:102:13:065:335:47
5:47
#118
40K
24.85 mi12:18:182:18:145:345:08
6:00
#118
25.2M
25.20 mi12:20:362:20:325:352:18
6:40
#118
Finish
26.22 mi12:26:512:26:475:366:15
6:08
#132
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi217191191153(Top 0.5%)130(Top 0.8%)130(Top 2%)
10K6.21 mi3.10 mi186+31160+31160+31172(Top 0.6%)145(Top 0.9%)145(Top 3%)
15K9.32 mi3.11 mi176+10151+9151+9153(Top 0.5%)130(Top 0.8%)130(Top 2%)
20K12.43 mi3.11 mi147+29124+27124+27111(Top 0.4%)93(Top 0.6%)93(Top 2%)
Half13.11 mi0.68 mi138+9116+8116+876(Top 0.3%)75(Top 0.5%)75(Top 1%)
25K15.53 mi2.42 mi126+12107+9107+994(Top 0.3%)88(Top 0.5%)88(Top 2%)
30K18.64 mi3.11 mi123+3104+3104+3103(Top 0.4%)96(Top 0.6%)96(Top 2%)
20M20.00 mi1.36 mi120+3102+2102+2110(Top 0.4%)103(Top 0.6%)103(Top 2%)
21M21.00 mi1.00 mi121-1103-1103-1153(Top 0.5%)141(Top 0.9%)141(Top 2%)
35K21.75 mi0.75 mi120+1102+1102+1125(Top 0.4%)111(Top 0.7%)111(Top 2%)
23M23.00 mi1.25 mi116+499+399+3124(Top 0.4%)115(Top 0.7%)115(Top 2%)
24M24.00 mi1.00 mi118-2101-2101-2257(Top 0.9%)235(Top 1%)235(Top 4%)
40K24.85 mi0.85 mi118101101384(Top 1%)356(Top 2%)356(Top 6%)
25.2M25.20 mi0.35 mi118101101671(Top 2%)621(Top 4%)621(Top 11%)
Finish26.22 mi1.02 mi132-14112-11112-111280(Top 5%)1193(Top 7%)1193(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.5%
×21stories
+97ft-345ft

Overall

153

Males

130

M18-39

130

5K→10K

3.1 - 6.2 mi

Top 0.6%
×5stories
+79ft-138ft

Overall

172

Males

145

M18-39

145

10K→15K

6.2 - 9.3 mi

Top 0.5%
×3stories
+67ft-78ft

Overall

153

Males

130

M18-39

130

15K→20K

9.3 - 12.4 mi

Top 0.4%
×5stories
+106ft-86ft

Overall

111

Males

93

M18-39

93

20K→Half

12.4 - 13.1 mi

Top 0.3%
×2stories
+19ft-37ft

Overall

76

Males

75

M18-39

75

Half→25K

13.1 - 15.5 mi

Top 0.3%
×4stories
+66ft-88ft

Overall

94

Males

88

M18-39

88

25K→30K

15.5 - 18.6 mi

Top 0.4%
×9stories
+181ft-148ft

Overall

103

Males

96

M18-39

96

30K→20M

18.6 - 20.0 mi

Top 0.4%
×5stories
+64ft-50ft

Overall

110

Males

103

M18-39

103

20M→21M

20.0 - 21.0 mi

Top 0.5%
×8stories
+106ft-24ft

Overall

153

Males

141

M18-39

141

21M→35K

21.0 - 21.8 mi

Top 0.4%
×7stories
+17ft-86ft

Overall

125

Males

111

M18-39

111

35K→23M

21.8 - 23.0 mi

Top 0.4%
×5stories
+23ft-63ft

Overall

124

Males

115

M18-39

115

23M→24M

23.0 - 24.0 mi

Top 0.9%
×6stories
+12ft-82ft

Overall

257

Males

235

M18-39

235

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

384

Males

356

M18-39

356

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

671

Males

621

M18-39

621

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1280

Males

1193

M18-39

1193

Passing Analysis

Category:
Athletes Passed
121
Passed By
36
Net Change
+85
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#217
5K → 10K343+31#217#186
10K → 15K155+10#186#176
15K → 20K290+29#176#147
20K → Half90+9#147#138
Half → 25K120+12#138#126
25K → 30K63+3#126#123
30K → 20M41+3#123#120
20M → 21M12-1#120#121
21M → 35K10+1#121#120
35K → 23M73+4#120#116
23M → 24M13-2#116#118
24M → 40K110#118#118
40K → 25.2M000#118#118
25.2M → Finish115-14#118#132
TOTALS12136+85
📊

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