Boston Marathon logo
BOSTON MARATHON 2025

Brenden Allen

Bib: 559•M

AZ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 0.4%
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
17:20
Rank: #278
Start → 5K
17:20 | 5:35/mi
10K· 6.21 mi
34:38
Rank: #268 (+10)
5K → 10K
17:18 | 5:34/mi
15K· 9.32 mi
51:51
Rank: #247 (+21)
10K → 15K
17:13 | 5:32/mi
20K· 12.43 mi
1:09:05
Rank: #219 (+28)
15K → 20K
17:14 | 5:33/mi
Half· 13.11 mi
1:12:49
Rank: #215 (+4)
20K → Half
3:44 | 5:28/mi
25K· 15.53 mi
1:26:17
Rank: #194 (+21)
Half → 25K
13:28 | 5:33/mi
30K· 18.64 mi
1:43:28
Rank: #157 (+37)
25K → 30K
17:11 | 5:32/mi
20M
1:51:02
Rank: #144 (+13)
30K → 20M
7:34 | 5:34/mi
21M
1:57:02
Rank: #141 (+3)
20M → 21M
6:00 | 6:00/mi
35K· 21.75 mi
2:01:09
Rank: #138 (+3)
21M → 35K
4:07 | 5:30/mi
23M
2:08:14
Rank: #132 (+6)
35K → 23M
7:05 | 5:39/mi
24M
2:13:47
Rank: #125 (+7)
23M → 24M
5:33 | 5:33/mi
40K· 24.85 mi
2:18:41
Rank: #127 (-2)
24M → 40K
4:54 | 5:44/mi
25.2M
2:20:47
Rank: #128 (-1)
40K → 25.2M
2:06 | 6:05/mi
Finish· 26.22 mi
2:26:22
Rank: #124 (+4)
25.2M → Finish
5:35 | 5:29/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:49
Pace5:33 /mi
2nd Half
Distance13.11 mi
Time1:13:33
Pace5:37 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3717:205:3517:20
5:35
-
10K
6.21 mi10:34:5534:385:3417:18
5:34
-0:01
15K
9.32 mi10:52:0851:515:3417:13
5:32
-0:02
20K
12.43 mi11:09:221:09:055:3417:14
5:33
+0:01
Half
13.11 mi11:13:061:12:495:333:44
5:28
-0:05
25K
15.53 mi11:26:341:26:175:3313:28
5:33
+0:05
30K
18.64 mi11:43:451:43:285:3317:11
5:32
-0:01
20M
20.00 mi11:51:191:51:025:337:34
5:34
+0:02
21M
21.00 mi11:57:191:57:025:346:00
6:00
+0:26
35K
21.75 mi12:01:262:01:095:344:07
5:30
-0:30
23M
23.00 mi12:08:312:08:145:357:05
5:39
+0:09
24M
24.00 mi12:14:042:13:475:345:33
5:33
-0:06
40K
24.85 mi12:18:582:18:415:354:54
5:44
+0:11
25.2M
25.20 mi12:21:042:20:475:352:06
6:05
+0:21
Finish
26.22 mi12:26:392:26:225:355:35
5:29
-0:36

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

5:28 /mi

Average Pace

5:35 /mi

Slowest Pace

6:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:16

99% of race

Time at Steady Pace

2:06

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:35 /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 mi10:17:3717:205:3517:20
5:35
#278
10K
6.21 mi10:34:5534:385:3417:18
5:34
#268
15K
9.32 mi10:52:0851:515:3417:13
5:32
#247
20K
12.43 mi11:09:221:09:055:3417:14
5:33
#219
Half
13.11 mi11:13:061:12:495:333:44
5:28
#215
25K
15.53 mi11:26:341:26:175:3313:28
5:33
#194
30K
18.64 mi11:43:451:43:285:3317:11
5:32
#157
20M
20.00 mi11:51:191:51:025:337:34
5:34
#144
21M
21.00 mi11:57:191:57:025:346:00
6:00
#141
35K
21.75 mi12:01:262:01:095:344:07
5:30
#138
23M
23.00 mi12:08:312:08:145:357:05
5:39
#132
24M
24.00 mi12:14:042:13:475:345:33
5:33
#125
40K
24.85 mi12:18:582:18:415:354:54
5:44
#127
25.2M
25.20 mi12:21:042:20:475:352:06
6:05
#128
Finish
26.22 mi12:26:392:26:225:355:35
5:29
#124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi278250250191(Top 0.7%)165(Top 1%)165(Top 3%)
10K6.21 mi3.10 mi268+10239+11239+11270(Top 1.0%)241(Top 1%)241(Top 4%)
15K9.32 mi3.11 mi247+21219+20219+20191(Top 0.7%)165(Top 1%)165(Top 3%)
20K12.43 mi3.11 mi219+28193+26193+26156(Top 0.5%)134(Top 0.8%)134(Top 2%)
Half13.11 mi0.68 mi215+4189+4189+4162(Top 0.6%)142(Top 0.9%)142(Top 3%)
25K15.53 mi2.42 mi194+21169+20169+20157(Top 0.6%)136(Top 0.8%)136(Top 2%)
30K18.64 mi3.11 mi157+37134+35134+3586(Top 0.3%)79(Top 0.5%)79(Top 1%)
20M20.00 mi1.36 mi144+13124+10124+1077(Top 0.3%)73(Top 0.5%)73(Top 1%)
21M21.00 mi1.00 mi141+3121+3121+3119(Top 0.4%)112(Top 0.7%)112(Top 2%)
35K21.75 mi0.75 mi138+3118+3118+3116(Top 0.4%)104(Top 0.6%)104(Top 2%)
23M23.00 mi1.25 mi132+6112+6112+696(Top 0.3%)91(Top 0.6%)91(Top 2%)
24M24.00 mi1.00 mi125+7106+6106+6109(Top 0.4%)103(Top 0.6%)103(Top 2%)
40K24.85 mi0.85 mi127-2108-2108-2143(Top 0.5%)135(Top 0.8%)135(Top 2%)
25.2M25.20 mi0.35 mi128-1109-1109-1107(Top 0.4%)100(Top 0.6%)100(Top 2%)
Finish26.22 mi1.02 mi124+4106+3106+3131(Top 0.5%)125(Top 0.8%)125(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21stories
+97ft-345ft

Overall

191

Males

165

M18-39

165

5K→10K

3.1 - 6.2 mi

Top 1.0%
×5stories
+79ft-138ft

Overall

270

Males

241

M18-39

241

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3stories
+67ft-78ft

Overall

191

Males

165

M18-39

165

15K→20K

9.3 - 12.4 mi

Top 0.5%
×5stories
+106ft-86ft

Overall

156

Males

134

M18-39

134

20K→Half

12.4 - 13.1 mi

Top 0.6%
×2stories
+19ft-37ft

Overall

162

Males

142

M18-39

142

Half→25K

13.1 - 15.5 mi

Top 0.6%
×4stories
+66ft-88ft

Overall

157

Males

136

M18-39

136

25K→30K

15.5 - 18.6 mi

Top 0.3%
×9stories
+181ft-148ft

Overall

86

Males

79

M18-39

79

30K→20M

18.6 - 20.0 mi

Top 0.3%
×5stories
+64ft-50ft

Overall

77

Males

73

M18-39

73

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8stories
+106ft-24ft

Overall

119

Males

112

M18-39

112

21M→35K

21.0 - 21.8 mi

Top 0.4%
×7stories
+17ft-86ft

Overall

116

Males

104

M18-39

104

35K→23M

21.8 - 23.0 mi

Top 0.3%
×5stories
+23ft-63ft

Overall

96

Males

91

M18-39

91

23M→24M

23.0 - 24.0 mi

Top 0.4%
×6stories
+12ft-82ft

Overall

109

Males

103

M18-39

103

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1story
+6ft-20ft

Overall

143

Males

135

M18-39

135

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

107

Males

100

M18-39

100

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
×2stories
+22ft-21ft

Overall

131

Males

125

M18-39

125

Passing Analysis

Category:
Athletes Passed
173
Passed By
19
Net Change
+154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#278
5K → 10K188+10#278#268
10K → 15K210+21#268#247
15K → 20K291+28#247#219
20K → Half40+4#219#215
Half → 25K210+21#215#194
25K → 30K370+37#194#157
30K → 20M130+13#157#144
20M → 21M63+3#144#141
21M → 35K30+3#141#138
35K → 23M71+6#138#132
23M → 24M70+7#132#125
24M → 40K13-2#125#127
40K → 25.2M01-1#127#128
25.2M → Finish62+4#128#124
TOTALS17319+154
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing