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BOSTON MARATHON 2025

Angelina Borisov

Bib: 21458•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F50-54)
#0 / 1303
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:36
Rank: #21918
Start → 5K
27:36 | 8:53/mi
10K· 6.21 mi
54:30
Rank: #21289 (+629)
5K → 10K
26:54 | 8:39/mi
15K· 9.32 mi
1:20:55
Rank: #20649 (+640)
10K → 15K
26:25 | 8:30/mi
20K· 12.43 mi
1:47:36
Rank: #20182 (+467)
15K → 20K
26:41 | 8:35/mi
Half· 13.11 mi
1:53:20
Rank: #20092 (+90)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:15:04
Rank: #20035 (+57)
Half → 25K
21:44 | 8:58/mi
30K· 18.64 mi
2:43:27
Rank: #19691 (+344)
25K → 30K
28:23 | 9:08/mi
20M
2:55:48
Rank: #19514 (+177)
30K → 20M
12:21 | 9:05/mi
21M
3:05:27
Rank: #19338 (+176)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
3:11:49
Rank: #19211 (+127)
21M → 35K
6:22 | 8:31/mi
23M
3:22:58
Rank: #19014 (+197)
35K → 23M
11:09 | 8:54/mi
24M
3:31:51
Rank: #18923 (+91)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:39:22
Rank: #18775 (+148)
24M → 40K
7:31 | 8:47/mi
25.2M
3:42:44
Rank: #18718 (+57)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:51:23
Rank: #18622 (+96)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:20
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:58:03
Pace9:00 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1627:368:5327:36
8:53
-
10K
6.21 mi11:50:1054:308:4626:54
8:39
-0:14
15K
9.32 mi12:16:351:20:558:4126:25
8:30
-0:09
20K
12.43 mi12:43:161:47:368:3926:41
8:35
+0:05
Half
13.11 mi12:49:001:53:208:395:44
8:24
-0:11
25K
15.53 mi13:10:442:15:048:4221:44
8:58
+0:34
30K
18.64 mi13:39:072:43:278:4628:23
9:08
+0:10
20M
20.00 mi13:51:282:55:488:4712:21
9:05
-0:03
21M
21.00 mi14:01:073:05:278:509:39
9:39
+0:34
35K
21.75 mi14:07:293:11:498:496:22
8:31
-1:08
23M
23.00 mi14:18:383:22:588:4911:09
8:54
+0:23
24M
24.00 mi14:27:313:31:518:508:53
8:53
-0:01
40K
24.85 mi14:35:023:39:228:507:31
8:47
-0:06
25.2M
25.20 mi14:38:243:42:448:503:22
9:46
+0:59
Finish
26.22 mi14:47:033:51:238:508:39
8:29
-1:17

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

8:24 /mi

Average Pace

8:50 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:22

94% of race

Time at Steady Pace

13:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi11:23:1627:368:5327:36
8:53
#21918
10K
6.21 mi11:50:1054:308:4626:54
8:39
#21289
15K
9.32 mi12:16:351:20:558:4126:25
8:30
#20649
20K
12.43 mi12:43:161:47:368:3926:41
8:35
#20182
Half
13.11 mi12:49:001:53:208:395:44
8:24
#20092
25K
15.53 mi13:10:442:15:048:4221:44
8:58
#20035
30K
18.64 mi13:39:072:43:278:4628:23
9:08
#19691
20M
20.00 mi13:51:282:55:488:4712:21
9:05
#19514
21M
21.00 mi14:01:073:05:278:509:39
9:39
#19338
35K
21.75 mi14:07:293:11:498:496:22
8:31
#19211
23M
23.00 mi14:18:383:22:588:4911:09
8:54
#19014
24M
24.00 mi14:27:313:31:518:508:53
8:53
#18923
40K
24.85 mi14:35:023:39:228:507:31
8:47
#18775
25.2M
25.20 mi14:38:243:42:448:503:22
9:46
#18718
Finish
26.22 mi14:47:033:51:238:508:39
8:29
#18622
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi219188578857819346(Top 68%)7090(Top 58%)7090(Top 544%)
10K6.21 mi3.10 mi21289+6298208+3708208+37020659(Top 73%)7833(Top 64%)7833(Top 601%)
15K9.32 mi3.11 mi20649+6407834+3747834+37419346(Top 68%)7090(Top 58%)7090(Top 544%)
20K12.43 mi3.11 mi20182+4677580+2547580+25418788(Top 66%)6794(Top 56%)6794(Top 521%)
Half13.11 mi0.68 mi20092+907529+517529+5118654(Top 66%)6713(Top 55%)6713(Top 515%)
25K15.53 mi2.42 mi20035+577504+257504+2519749(Top 70%)7391(Top 60%)7391(Top 567%)
30K18.64 mi3.11 mi19691+3447346+1587346+15818336(Top 65%)6757(Top 55%)6757(Top 519%)
20M20.00 mi1.36 mi19514+1777272+747272+7417273(Top 61%)6297(Top 51%)6297(Top 483%)
21M21.00 mi1.00 mi19338+1767199+737199+7316812(Top 59%)6161(Top 50%)6161(Top 473%)
35K21.75 mi0.75 mi19211+1277138+617138+6115591(Top 55%)5581(Top 46%)5581(Top 428%)
23M23.00 mi1.25 mi19014+1977054+847054+8415739(Top 55%)5748(Top 47%)5748(Top 441%)
24M24.00 mi1.00 mi18923+917031+237031+2316797(Top 59%)6387(Top 52%)6387(Top 490%)
40K24.85 mi0.85 mi18775+1486976+556976+5515190(Top 53%)5634(Top 46%)5634(Top 432%)
25.2M25.20 mi0.35 mi18718+576956+206956+2015988(Top 56%)6093(Top 50%)6093(Top 468%)
Finish26.22 mi1.02 mi18622+966914+426914+4216190(Top 57%)6134(Top 50%)6134(Top 471%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19346

Females

7090

F50-54

7090

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20659

Females

7833

F50-54

7833

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19346

Females

7090

F50-54

7090

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18788

Females

6794

F50-54

6794

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18654

Females

6713

F50-54

6713

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19749

Females

7391

F50-54

7391

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18336

Females

6757

F50-54

6757

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17273

Females

6297

F50-54

6297

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16812

Females

6161

F50-54

6161

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15591

Females

5581

F50-54

5581

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15739

Females

5748

F50-54

5748

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16797

Females

6387

F50-54

6387

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15190

Females

5634

F50-54

5634

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15988

Females

6093

F50-54

6093

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16190

Females

6134

F50-54

6134

Passing Analysis

Category:
Athletes Passed
3717
Passed By
421
Net Change
+3296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21918
5K → 10K69768+629#21918#21289
10K → 15K66121+640#21289#20649
15K → 20K48922+467#20649#20182
20K → Half955+90#20182#20092
Half → 25K176119+57#20092#20035
25K → 30K41571+344#20035#19691
30K → 20M20124+177#19691#19514
20M → 21M19115+176#19514#19338
21M → 35K1292+127#19338#19211
35K → 23M21114+197#19211#19014
23M → 24M11625+91#19014#18923
24M → 40K15810+148#18923#18775
40K → 25.2M658+57#18775#18718
25.2M → Finish11317+96#18718#18622
TOTALS3717421+3296
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing