Boston Marathon logo
BOSTON MARATHON 2025

Blake Ziegler

Bib: 1887•M

NE

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:21
Rank: #2016
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
38:30
Rank: #1846 (+170)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
57:46
Rank: #1839 (+7)
10K → 15K
19:16 | 6:12/mi
20K· 12.43 mi
1:17:35
Rank: #1963 (-124)
15K → 20K
19:49 | 6:23/mi
Half· 13.11 mi
1:21:47
Rank: #1941 (+22)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:37:19
Rank: #2023 (-82)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
1:57:34
Rank: #1974 (+49)
25K → 30K
20:15 | 6:31/mi
20M
2:06:27
Rank: #1934 (+40)
30K → 20M
8:53 | 6:32/mi
21M
2:13:26
Rank: #1931 (+3)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:18:16
Rank: #1913 (+18)
21M → 35K
4:50 | 6:28/mi
23M
2:27:06
Rank: #2006 (-93)
35K → 23M
8:50 | 7:03/mi
24M
2:33:58
Rank: #2038 (-32)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:40:06
Rank: #2106 (-68)
24M → 40K
6:08 | 7:10/mi
25.2M
2:42:54
Rank: #2158 (-52)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:50:31
Rank: #2354 (-196)
25.2M → Finish
7:37 | 7:28/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
Time1:21:47
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:28:44
Pace6:46 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5819:216:1419:21
6:14
-
10K
6.21 mi10:39:0738:306:1219:09
6:10
-0:04
15K
9.32 mi10:58:2357:466:1219:16
6:12
+0:02
20K
12.43 mi11:18:121:17:356:1519:49
6:23
+0:11
Half
13.11 mi11:22:241:21:476:144:12
6:09
-0:14
25K
15.53 mi11:37:561:37:196:1615:32
6:24
+0:15
30K
18.64 mi11:58:111:57:346:1820:15
6:31
+0:07
20M
20.00 mi12:07:042:06:276:198:53
6:32
+0:01
21M
21.00 mi12:14:032:13:266:216:59
6:59
+0:27
35K
21.75 mi12:18:532:18:166:214:50
6:28
-0:31
23M
23.00 mi12:27:432:27:066:248:50
7:03
+0:35
24M
24.00 mi12:34:352:33:586:256:52
6:52
-0:11
40K
24.85 mi12:40:432:40:066:266:08
7:10
+0:18
25.2M
25.20 mi12:43:312:42:546:282:48
8:07
+0:57
Finish
26.22 mi12:51:082:50:316:307:37
7:28
-0:39

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

6:09 /mi

Average Pace

6:30 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:58

36% of race

Time at Steady Pace

1:09:19

41% of race

Time at Slower Pace

39:14

23% of race

Average Pace: 6:30 /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 mi10:19:5819:216:1419:21
6:14
#2016
10K
6.21 mi10:39:0738:306:1219:09
6:10
#1846
15K
9.32 mi10:58:2357:466:1219:16
6:12
#1839
20K
12.43 mi11:18:121:17:356:1519:49
6:23
#1963
Half
13.11 mi11:22:241:21:476:144:12
6:09
#1941
25K
15.53 mi11:37:561:37:196:1615:32
6:24
#2023
30K
18.64 mi11:58:111:57:346:1820:15
6:31
#1974
20M
20.00 mi12:07:042:06:276:198:53
6:32
#1934
21M
21.00 mi12:14:032:13:266:216:59
6:59
#1931
35K
21.75 mi12:18:532:18:166:214:50
6:28
#1913
23M
23.00 mi12:27:432:27:066:248:50
7:03
#2006
24M
24.00 mi12:34:352:33:586:256:52
6:52
#2038
40K
24.85 mi12:40:432:40:066:266:08
7:10
#2106
25.2M
25.20 mi12:43:312:42:546:282:48
8:07
#2158
Finish
26.22 mi12:51:082:50:316:307:37
7:28
#2354
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2016191919191876(Top 7%)1787(Top 11%)1787(Top 32%)
10K6.21 mi3.10 mi1846+1701756+1631756+1631743(Top 6%)1659(Top 10%)1659(Top 29%)
15K9.32 mi3.11 mi1839+71750+61750+61876(Top 7%)1787(Top 11%)1787(Top 32%)
20K12.43 mi3.11 mi1963-1241873-1231873-1232400(Top 8%)2289(Top 14%)2289(Top 41%)
Half13.11 mi0.68 mi1941+221851+221851+221768(Top 6%)1684(Top 10%)1684(Top 30%)
25K15.53 mi2.42 mi2023-821928-771928-772396(Top 8%)2279(Top 14%)2279(Top 40%)
30K18.64 mi3.11 mi1974+491880+481880+482052(Top 7%)1951(Top 12%)1951(Top 35%)
20M20.00 mi1.36 mi1934+401841+391841+391766(Top 6%)1672(Top 10%)1672(Top 30%)
21M21.00 mi1.00 mi1931+31835+61835+62187(Top 8%)2043(Top 13%)2043(Top 36%)
35K21.75 mi0.75 mi1913+181817+181817+182257(Top 8%)2109(Top 13%)2109(Top 37%)
23M23.00 mi1.25 mi2006-931906-891906-894046(Top 14%)3605(Top 22%)3605(Top 64%)
24M24.00 mi1.00 mi2038-321935-291935-293868(Top 14%)3421(Top 21%)3421(Top 61%)
40K24.85 mi0.85 mi2106-682000-652000-654853(Top 17%)4097(Top 25%)4097(Top 73%)
25.2M25.20 mi0.35 mi2158-522049-492049-496455(Top 23%)4984(Top 31%)4984(Top 88%)
Finish26.22 mi1.02 mi2354-1962231-1822231-1828962(Top 32%)6402(Top 40%)6402(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1876

Males

1787

M18-39

1787

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1743

Males

1659

M18-39

1659

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1876

Males

1787

M18-39

1787

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2400

Males

2289

M18-39

2289

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1768

Males

1684

M18-39

1684

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2396

Males

2279

M18-39

2279

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2052

Males

1951

M18-39

1951

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1766

Males

1672

M18-39

1672

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2187

Males

2043

M18-39

2043

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2257

Males

2109

M18-39

2109

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4046

Males

3605

M18-39

3605

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3868

Males

3421

M18-39

3421

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4853

Males

4097

M18-39

4097

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6455

Males

4984

M18-39

4984

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8962

Males

6402

M18-39

6402

Passing Analysis

Category:
Athletes Passed
648
Passed By
986
Net Change
-338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2016
5K → 10K21141+170#2016#1846
10K → 15K5346+7#1846#1839
15K → 20K34158-124#1839#1963
20K → Half242+22#1963#1941
Half → 25K30112-82#1941#2023
25K → 30K9344+49#2023#1974
30K → 20M5313+40#1974#1934
20M → 21M4138+3#1934#1931
21M → 35K3517+18#1931#1913
35K → 23M22115-93#1913#2006
23M → 24M2557-32#2006#2038
24M → 40K2088-68#2038#2106
40K → 25.2M658-52#2106#2158
25.2M → Finish1197-196#2158#2354
TOTALS648986-338
📊

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