Boston Marathon logo
BOSTON MARATHON 2025

Yuriy Zaytsev

Bib: 11773•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
Masters (Masters Men)
#0 / 10463
Top 19%
Division (M50-54)
#0 / 1996
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #6403
Start → 5K
6:49/mi
21:10 split
10K· 6.21 mi
42:48
Rank: #7058 (-655)
5K → 10K
6:58/mi
21:38 split
15K· 9.32 mi
1:04:50
Rank: #7471 (-413)
10K → 15K
7:06/mi
22:02 split
20K· 12.43 mi
1:27:00
Rank: #7504 (-33)
15K → 20K
7:08/mi
22:10 split
Half· 13.11 mi
1:31:46
Rank: #7493 (+11)
20K → Half
6:59/mi
4:46 split
25K· 15.53 mi
1:48:58
Rank: #7354 (+139)
Half → 25K
7:06/mi
17:12 split
30K· 18.64 mi
2:11:40
Rank: #7099 (+255)
25K → 30K
7:18/mi
22:42 split
20M
2:21:32
Rank: #6883 (+216)
30K → 20M
7:16/mi
9:52 split
21M
2:29:21
Rank: #6766 (+117)
20M → 21M
7:49/mi
7:49 split
35K· 21.75 mi
2:34:28
Rank: #6646 (+120)
21M → 35K
6:50/mi
5:07 split
23M
2:43:28
Rank: #6454 (+192)
35K → 23M
7:11/mi
9:00 split
24M
2:50:16
Rank: #6275 (+179)
23M → 24M
6:48/mi
6:48 split
40K· 24.85 mi
2:56:08
Rank: #6091 (+184)
24M → 40K
6:52/mi
5:52 split
25.2M
2:58:47
Rank: #6039 (+52)
40K → 25.2M
7:41/mi
2:39 split
Finish· 26.22 mi
3:05:44
Rank: #5909 (+130)
25.2M → Finish
6:49/mi
6:57 split

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
Time1:31:46
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:33:58
Pace7:10 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0321:106:4921:10
6:49
-
10K
6.21 mi11:10:4142:486:5321:38
6:58
+0:09
15K
9.32 mi11:32:431:04:506:5722:02
7:06
+0:08
20K
12.43 mi11:54:531:27:007:0022:10
7:08
+0:02
Half
13.11 mi11:59:391:31:467:004:46
6:59
-0:09
25K
15.53 mi12:16:511:48:587:0117:12
7:06
+0:07
30K
18.64 mi12:39:332:11:407:0422:42
7:18
+0:12
20M
20.00 mi12:49:252:21:327:059:52
7:16
-0:02
21M
21.00 mi12:57:142:29:217:077:49
7:49
+0:33
35K
21.75 mi13:02:212:34:287:065:07
6:50
-0:59
23M
23.00 mi13:11:212:43:287:069:00
7:11
+0:21
24M
24.00 mi13:18:092:50:167:066:48
6:48
-0:23
40K
24.85 mi13:24:012:56:087:055:52
6:52
+0:04
25.2M
25.20 mi13:26:402:58:477:062:39
7:41
+0:49
Finish
26.22 mi13:33:373:05:447:056:57
6:49
-0:52

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

6:48 /mi

Average Pace

7:05 /mi

Slowest Pace

7:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:16

94% of race

Time at Steady Pace

10:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:49:0321:106:4921:10
6:49
#6403
10K
6.21 mi11:10:4142:486:5321:38
6:58
#7058
15K
9.32 mi11:32:431:04:506:5722:02
7:06
#7471
20K
12.43 mi11:54:531:27:007:0022:10
7:08
#7504
Half
13.11 mi11:59:391:31:467:004:46
6:59
#7493
25K
15.53 mi12:16:511:48:587:0117:12
7:06
#7354
30K
18.64 mi12:39:332:11:407:0422:42
7:18
#7099
20M
20.00 mi12:49:252:21:327:059:52
7:16
#6883
21M
21.00 mi12:57:142:29:217:077:49
7:49
#6766
35K
21.75 mi13:02:212:34:287:065:07
6:50
#6646
23M
23.00 mi13:11:212:43:287:069:00
7:11
#6454
24M
24.00 mi13:18:092:50:167:066:48
6:48
#6275
40K
24.85 mi13:24:012:56:087:055:52
6:52
#6091
25.2M
25.20 mi13:26:402:58:477:062:39
7:41
#6039
Finish
26.22 mi13:33:373:05:447:056:57
6:49
#5909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6403583758378266(Top 29%)7100(Top 44%)7100(Top 356%)
10K6.21 mi3.10 mi7058-6556335-4986335-4987662(Top 27%)6752(Top 42%)6752(Top 338%)
15K9.32 mi3.11 mi7471-4136625-2906625-2908266(Top 29%)7100(Top 44%)7100(Top 356%)
20K12.43 mi3.11 mi7504-336635-106635-107707(Top 27%)6678(Top 41%)6678(Top 335%)
Half13.11 mi0.68 mi7493+116624+116624+117402(Top 26%)6492(Top 40%)6492(Top 325%)
25K15.53 mi2.42 mi7354+1396510+1146510+1146911(Top 24%)6050(Top 38%)6050(Top 303%)
30K18.64 mi3.11 mi7099+2556281+2296281+2296480(Top 23%)5638(Top 35%)5638(Top 282%)
20M20.00 mi1.36 mi6883+2166098+1836098+1835537(Top 19%)4862(Top 30%)4862(Top 244%)
21M21.00 mi1.00 mi6766+1175986+1125986+1126255(Top 22%)5223(Top 32%)5223(Top 262%)
35K21.75 mi0.75 mi6646+1205882+1045882+1044347(Top 15%)3876(Top 24%)3876(Top 194%)
23M23.00 mi1.25 mi6454+1925719+1635719+1634787(Top 17%)4163(Top 26%)4163(Top 209%)
24M24.00 mi1.00 mi6275+1795568+1515568+1513509(Top 12%)3144(Top 20%)3144(Top 158%)
40K24.85 mi0.85 mi6091+1845416+1525416+1523153(Top 11%)2826(Top 18%)2826(Top 142%)
25.2M25.20 mi0.35 mi6039+525367+495367+494231(Top 15%)3587(Top 22%)3587(Top 180%)
Finish26.22 mi1.02 mi5909+1305250+1175250+1174607(Top 16%)3857(Top 24%)3857(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8266

Males

7100

M50-54

7100

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7662

Males

6752

M50-54

6752

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8266

Males

7100

M50-54

7100

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7707

Males

6678

M50-54

6678

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7402

Males

6492

M50-54

6492

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6911

Males

6050

M50-54

6050

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6480

Males

5638

M50-54

5638

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5537

Males

4862

M50-54

4862

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6255

Males

5223

M50-54

5223

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4347

Males

3876

M50-54

3876

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4787

Males

4163

M50-54

4163

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3509

Males

3144

M50-54

3144

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3153

Males

2826

M50-54

2826

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4231

Males

3587

M50-54

3587

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4607

Males

3857

M50-54

3857

Passing Analysis

Category:
Athletes Passed
1984
Passed By
1490
Net Change
+494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6403
5K → 10K46701-655#6403#7058
10K → 15K49462-413#7058#7471
15K → 20K115148-33#7471#7504
20K → Half3019+11#7504#7493
Half → 25K17839+139#7493#7354
25K → 30K31055+255#7354#7099
30K → 20M22812+216#7099#6883
20M → 21M14326+117#6883#6766
21M → 35K1200+120#6766#6646
35K → 23M2008+192#6646#6454
23M → 24M1812+179#6454#6275
24M → 40K1862+184#6275#6091
40K → 25.2M586+52#6091#6039
25.2M → Finish14010+130#6039#5909
TOTALS19841490+494
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing