Boston Marathon logo
BOSTON MARATHON 2025

David Tindall

Bib: 10903•M

AZ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M50-54)
#0 / 1996
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:11/mi
22:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:07:38
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:30:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:35:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:53:12
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:16:45
↑ 181↓ 1480.2%
20M
7:42/mi
2:27:13
↑ 64↓ 500.2%
21M
8:04/mi
2:35:17
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:40:53
↑ 17↓ 861.7%
23M
7:59/mi
2:50:53
↑ 23↓ 630.6%
24M
7:47/mi
2:58:40
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:05:32
↓ 200.3%
25.2M
8:48/mi
3:08:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:16:34
↑ 22↓ 21

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
Time1:35:17
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5822:187:1122:18
7:11
-
10K
6.21 mi11:11:5845:187:1723:00
7:24
+0:13
15K
9.32 mi11:34:181:07:387:1522:20
7:11
-0:13
20K
12.43 mi11:57:001:30:207:1622:42
7:18
+0:07
Half
13.11 mi12:01:571:35:177:164:57
7:15
-0:03
25K
15.53 mi12:19:521:53:127:1717:55
7:23
+0:08
30K
18.64 mi12:43:252:16:457:2023:33
7:35
+0:12
20M
20.00 mi12:53:532:27:137:2210:28
7:42
+0:07
21M
21.00 mi13:01:572:35:177:248:04
8:04
+0:22
35K
21.75 mi13:07:332:40:537:245:36
7:29
-0:35
23M
23.00 mi13:17:332:50:537:2610:00
7:59
+0:30
24M
24.00 mi13:25:202:58:407:277:47
7:47
-0:12
40K
24.85 mi13:32:123:05:327:286:52
8:02
+0:15
25.2M
25.20 mi13:35:143:08:347:293:02
8:48
+0:46
Finish
26.22 mi13:43:143:16:347:308:00
7:51
-0:57

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

7:11 /mi

Average Pace

7:30 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:17

37% of race

Time at Steady Pace

1:28:19

45% of race

Time at Slower Pace

35:58

18% of race

Average Pace: 7:30 /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 mi10:48:5822:187:1122:18
7:11
#9275
10K
6.21 mi11:11:5845:187:1723:00
7:24
#10252
15K
9.32 mi11:34:181:07:387:1522:20
7:11
#9809
20K
12.43 mi11:57:001:30:207:1622:42
7:18
#9584
Half
13.11 mi12:01:571:35:177:164:57
7:15
#9579
25K
15.53 mi12:19:521:53:127:1717:55
7:23
#9457
30K
18.64 mi12:43:252:16:457:2023:33
7:35
#9159
20M
20.00 mi12:53:532:27:137:2210:28
7:42
#9058
21M
21.00 mi13:01:572:35:177:248:04
8:04
#8937
35K
21.75 mi13:07:332:40:537:245:36
7:29
#8885
23M
23.00 mi13:17:332:50:537:2610:00
7:59
#8905
24M
24.00 mi13:25:202:58:407:277:47
7:47
#8908
40K
24.85 mi13:32:123:05:327:286:52
8:02
#8919
25.2M
25.20 mi13:35:143:08:347:293:02
8:48
#8945
Finish
26.22 mi13:43:143:16:347:308:00
7:51
#9046
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9275775777579009(Top 32%)7553(Top 47%)7553(Top 378%)
10K6.21 mi3.10 mi10252-9778294-5378294-53711189(Top 39%)8740(Top 54%)8740(Top 438%)
15K9.32 mi3.11 mi9809+4438033+2618033+2619009(Top 32%)7553(Top 47%)7553(Top 378%)
20K12.43 mi3.11 mi9584+2257875+1587875+1589086(Top 32%)7501(Top 47%)7501(Top 376%)
Half13.11 mi0.68 mi9579+57866+97866+99541(Top 34%)7776(Top 48%)7776(Top 390%)
25K15.53 mi2.42 mi9457+1227773+937773+939057(Top 32%)7373(Top 46%)7373(Top 369%)
30K18.64 mi3.11 mi9159+2987552+2217552+2218300(Top 29%)6769(Top 42%)6769(Top 339%)
20M20.00 mi1.36 mi9058+1017471+817471+818355(Top 29%)6648(Top 41%)6648(Top 333%)
21M21.00 mi1.00 mi8937+1217365+1067365+1067734(Top 27%)6117(Top 38%)6117(Top 306%)
35K21.75 mi0.75 mi8885+527315+507315+508500(Top 30%)6592(Top 41%)6592(Top 330%)
23M23.00 mi1.25 mi8905-207280+357280+359908(Top 35%)7183(Top 45%)7183(Top 360%)
24M24.00 mi1.00 mi8908-37247+337247+339663(Top 34%)6995(Top 43%)6995(Top 350%)
40K24.85 mi0.85 mi8919-117220+277220+2710392(Top 37%)7238(Top 45%)7238(Top 363%)
25.2M25.20 mi0.35 mi8945-267215+57215+510527(Top 37%)7219(Top 45%)7219(Top 362%)
Finish26.22 mi1.02 mi9046-1017234-197234-1911777(Top 41%)7915(Top 49%)7915(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9009

Males

7553

M50-54

7553

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11189

Males

8740

M50-54

8740

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9009

Males

7553

M50-54

7553

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9086

Males

7501

M50-54

7501

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9541

Males

7776

M50-54

7776

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9057

Males

7373

M50-54

7373

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8300

Males

6769

M50-54

6769

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8355

Males

6648

M50-54

6648

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7734

Males

6117

M50-54

6117

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8500

Males

6592

M50-54

6592

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9908

Males

7183

M50-54

7183

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9663

Males

6995

M50-54

6995

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10392

Males

7238

M50-54

7238

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10527

Males

7219

M50-54

7219

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11777

Males

7915

M50-54

7915

Passing Analysis

Category:
Athletes Passed
2145*
Passed By
1914
Net Change
+229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9275
5K → 10K341009-977#9275#10252
10K → 15K474*31+443#10252#9809
15K → 20K29974+225#9809#9584
20K → Half3025+5#9584#9579
Half → 25K20785+122#9579#9457
25K → 30K36769+298#9457#9159
30K → 20M15150+101#9159#9058
20M → 21M15938+121#9058#8937
21M → 35K9139+52#8937#8885
35K → 23M109129-20#8885#8905
23M → 24M7679-3#8905#8908
24M → 40K7990-11#8908#8919
40K → 25.2M2955-26#8919#8945
25.2M → Finish40141-101#8945#9046
TOTALS2145*1914+229

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing