Boston Marathon logo
BOSTON MARATHON 2025

Peter Kiesel

Bib: 1367•M

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:24
Rank: #856
Start → 5K
18:24 | 5:55/mi
10K· 6.21 mi
36:54
Rank: #916 (-60)
5K → 10K
18:30 | 5:57/mi
15K· 9.32 mi
55:26
Rank: #916
10K → 15K
18:32 | 5:58/mi
20K· 12.43 mi
1:14:17
Rank: #933 (-17)
15K → 20K
18:51 | 6:04/mi
Half· 13.11 mi
1:18:20
Rank: #935 (-2)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:33:12
Rank: #951 (-16)
Half → 25K
14:52 | 6:08/mi
30K· 18.64 mi
1:52:52
Rank: #975 (-24)
25K → 30K
19:40 | 6:20/mi
20M
2:01:50
Rank: #1013 (-38)
30K → 20M
8:58 | 6:36/mi
21M
2:08:50
Rank: #1044 (-31)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:13:35
Rank: #1057 (-13)
21M → 35K
4:45 | 6:21/mi
23M
2:22:15
Rank: #1126 (-69)
35K → 23M
8:40 | 6:55/mi
24M
2:29:01
Rank: #1174 (-48)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:35:00
Rank: #1233 (-59)
24M → 40K
5:59 | 7:00/mi
25.2M
2:37:34
Rank: #1247 (-14)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:44:06
Rank: #1268 (-21)
25.2M → Finish
6:32 | 6:25/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
Time1:18:20
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5518:245:5518:24
5:55
-
10K
6.21 mi10:37:2536:545:5618:30
5:57
+0:02
15K
9.32 mi10:55:5755:265:5718:32
5:58
+0:01
20K
12.43 mi11:14:481:14:175:5918:51
6:04
+0:06
Half
13.11 mi11:18:511:18:205:594:03
5:56
-0:08
25K
15.53 mi11:33:431:33:126:0014:52
6:08
+0:12
30K
18.64 mi11:53:231:52:526:0319:40
6:20
+0:12
20M
20.00 mi12:02:212:01:506:058:58
6:36
+0:16
21M
21.00 mi12:09:212:08:506:087:00
7:00
+0:24
35K
21.75 mi12:14:062:13:356:094:45
6:21
-0:39
23M
23.00 mi12:22:462:22:156:118:40
6:55
+0:34
24M
24.00 mi12:29:322:29:016:136:46
6:46
-0:09
40K
24.85 mi12:35:312:35:006:145:59
7:00
+0:14
25.2M
25.20 mi12:38:052:37:346:152:34
7:27
+0:27
Finish
26.22 mi12:44:372:44:066:166:32
6:25
-1:02

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

5:55 /mi

Average Pace

6:16 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:20

48% of race

Time at Steady Pace

45:49

28% of race

Time at Slower Pace

39:57

24% of race

Average Pace: 6:16 /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 mi10:18:5518:245:5518:24
5:55
#856
10K
6.21 mi10:37:2536:545:5618:30
5:57
#916
15K
9.32 mi10:55:5755:265:5718:32
5:58
#916
20K
12.43 mi11:14:481:14:175:5918:51
6:04
#933
Half
13.11 mi11:18:511:18:205:594:03
5:56
#935
25K
15.53 mi11:33:431:33:126:0014:52
6:08
#951
30K
18.64 mi11:53:231:52:526:0319:40
6:20
#975
20M
20.00 mi12:02:212:01:506:058:58
6:36
#1013
21M
21.00 mi12:09:212:08:506:087:00
7:00
#1044
35K
21.75 mi12:14:062:13:356:094:45
6:21
#1057
23M
23.00 mi12:22:462:22:156:118:40
6:55
#1126
24M
24.00 mi12:29:322:29:016:136:46
6:46
#1174
40K
24.85 mi12:35:312:35:006:145:59
7:00
#1233
25.2M
25.20 mi12:38:052:37:346:152:34
7:27
#1247
Finish
26.22 mi12:44:372:44:066:166:32
6:25
#1268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi856802802931(Top 3%)878(Top 5%)878(Top 16%)
10K6.21 mi3.10 mi916-60861-59861-59974(Top 3%)919(Top 6%)919(Top 16%)
15K9.32 mi3.11 mi916861861931(Top 3%)878(Top 5%)878(Top 16%)
20K12.43 mi3.11 mi933-17878-17878-171065(Top 4%)1004(Top 6%)1004(Top 18%)
Half13.11 mi0.68 mi935-2880-2880-2952(Top 3%)902(Top 6%)902(Top 16%)
25K15.53 mi2.42 mi951-16897-17897-171210(Top 4%)1143(Top 7%)1143(Top 20%)
30K18.64 mi3.11 mi975-24918-21918-211300(Top 5%)1227(Top 8%)1227(Top 22%)
20M20.00 mi1.36 mi1013-38953-35953-351993(Top 7%)1883(Top 12%)1883(Top 33%)
21M21.00 mi1.00 mi1044-31984-31984-312226(Top 8%)2077(Top 13%)2077(Top 37%)
35K21.75 mi0.75 mi1057-13995-11995-111773(Top 6%)1662(Top 10%)1662(Top 29%)
23M23.00 mi1.25 mi1126-691060-651060-653298(Top 12%)2996(Top 19%)2996(Top 53%)
24M24.00 mi1.00 mi1174-481106-461106-463281(Top 12%)2947(Top 18%)2947(Top 52%)
40K24.85 mi0.85 mi1233-591159-531159-533828(Top 13%)3347(Top 21%)3347(Top 59%)
25.2M25.20 mi0.35 mi1247-141172-131172-133064(Top 11%)2705(Top 17%)2705(Top 48%)
Finish26.22 mi1.02 mi1268-211193-211193-212336(Top 8%)2128(Top 13%)2128(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

931

Males

878

M18-39

878

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

974

Males

919

M18-39

919

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

931

Males

878

M18-39

878

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1065

Males

1004

M18-39

1004

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

952

Males

902

M18-39

902

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1210

Males

1143

M18-39

1143

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1300

Males

1227

M18-39

1227

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1993

Males

1883

M18-39

1883

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2226

Males

2077

M18-39

2077

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1773

Males

1662

M18-39

1662

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3298

Males

2996

M18-39

2996

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3281

Males

2947

M18-39

2947

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3828

Males

3347

M18-39

3347

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3064

Males

2705

M18-39

2705

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2336

Males

2128

M18-39

2128

Passing Analysis

Category:
Athletes Passed
235
Passed By
647
Net Change
-412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#856
5K → 10K2585-60#856#916
10K → 15K27270#916#916
15K → 20K2441-17#916#933
20K → Half35-2#933#935
Half → 25K2642-16#935#951
25K → 30K3458-24#951#975
30K → 20M2058-38#975#1013
20M → 21M1243-31#1013#1044
21M → 35K1326-13#1044#1057
35K → 23M2190-69#1057#1126
23M → 24M755-48#1126#1174
24M → 40K463-59#1174#1233
40K → 25.2M620-14#1233#1247
25.2M → Finish1334-21#1247#1268
TOTALS235647-412
📊

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