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BOSTON MARATHON 2025

Olga Volchansky

Bib: 19202•F

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:12
Rank: #9048
Start → 5K
22:12 | 7:09/mi
10K· 6.21 mi
45:12
Rank: #10132 (-1084)
5K → 10K
23:00 | 7:24/mi
15K· 9.32 mi
1:09:09
Rank: #11252 (-1120)
10K → 15K
23:57 | 7:43/mi
20K· 12.43 mi
1:34:19
Rank: #12407 (-1155)
15K → 20K
25:10 | 8:06/mi
Half· 13.11 mi
1:39:47
Rank: #12591 (-184)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:04:30
Rank: #15671 (-3080)
Half → 25K
24:43 | 10:12/mi
30K· 18.64 mi
2:31:32
Rank: #15742 (-71)
25K → 30K
27:02 | 8:42/mi
20M
2:43:11
Rank: #15547 (+195)
30K → 20M
11:39 | 8:34/mi
21M
2:52:51
Rank: #15627 (-80)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
2:59:13
Rank: #15606 (+21)
21M → 35K
6:22 | 8:31/mi
23M
3:10:14
Rank: #15525 (+81)
35K → 23M
11:01 | 8:48/mi
24M
3:19:03
Rank: #15549 (-24)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:27:37
Rank: #15772 (-223)
24M → 40K
8:34 | 10:01/mi
25.2M
3:31:00
Rank: #15759 (+13)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:39:58
Rank: #15860 (-101)
25.2M → Finish
8:58 | 8:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:47
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time2:00:11
Pace9:10 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1822:127:0922:12
7:09
-
10K
6.21 mi11:36:1845:127:1623:00
7:24
+0:15
15K
9.32 mi12:00:151:09:097:2523:57
7:43
+0:19
20K
12.43 mi12:25:251:34:197:3525:10
8:06
+0:23
Half
13.11 mi12:30:531:39:477:375:28
8:01
-0:05
25K
15.53 mi12:55:362:04:308:0124:43
10:12
+2:11
30K
18.64 mi13:22:382:31:328:0827:02
8:42
-1:30
20M
20.00 mi13:34:172:43:118:1011:39
8:34
-0:08
21M
21.00 mi13:43:572:52:518:149:40
9:40
+1:06
35K
21.75 mi13:50:192:59:138:146:22
8:31
-1:09
23M
23.00 mi14:01:203:10:148:1611:01
8:48
+0:17
24M
24.00 mi14:10:093:19:038:188:49
8:49
+0:01
40K
24.85 mi14:18:433:27:378:218:34
10:01
+1:12
25.2M
25.20 mi14:22:063:31:008:223:23
9:49
-0:12
Finish
26.22 mi14:31:043:39:588:248:58
8:48
-1:01

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

7:09 /mi

Average Pace

8:24 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:47

45% of race

Time at Steady Pace

1:13:51

34% of race

Time at Slower Pace

46:20

21% of race

Average Pace: 8:23 /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 mi11:13:1822:127:0922:12
7:09
#9048
10K
6.21 mi11:36:1845:127:1623:00
7:24
#10132
15K
9.32 mi12:00:151:09:097:2523:57
7:43
#11252
20K
12.43 mi12:25:251:34:197:3525:10
8:06
#12407
Half
13.11 mi12:30:531:39:477:375:28
8:01
#12591
25K
15.53 mi12:55:362:04:308:0124:43
10:12
#15671
30K
18.64 mi13:22:382:31:328:0827:02
8:42
#15742
20M
20.00 mi13:34:172:43:118:1011:39
8:34
#15547
21M
21.00 mi13:43:572:52:518:149:40
9:40
#15627
35K
21.75 mi13:50:192:59:138:146:22
8:31
#15606
23M
23.00 mi14:01:203:10:148:1611:01
8:48
#15525
24M
24.00 mi14:10:093:19:038:188:49
8:49
#15549
40K
24.85 mi14:18:433:27:378:218:34
10:01
#15772
25.2M
25.20 mi14:22:063:31:008:223:23
9:49
#15759
Finish
26.22 mi14:31:043:39:588:248:58
8:48
#15860
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi90481393139313612(Top 48%)3798(Top 31%)3798(Top 69%)
10K6.21 mi3.10 mi10132-10841881-4881881-48811231(Top 40%)2438(Top 20%)2438(Top 45%)
15K9.32 mi3.11 mi11252-11202450-5692450-56913612(Top 48%)3798(Top 31%)3798(Top 69%)
20K12.43 mi3.11 mi12407-11553091-6413091-64115658(Top 55%)5013(Top 41%)5013(Top 92%)
Half13.11 mi0.68 mi12591-1843203-1123203-11216071(Top 57%)5232(Top 43%)5232(Top 96%)
25K15.53 mi2.42 mi15671-30804980-17774980-177723713(Top 83%)9595(Top 78%)9595(Top 175%)
30K18.64 mi3.11 mi15742-715081-1015081-10116018(Top 56%)5471(Top 45%)5471(Top 100%)
20M20.00 mi1.36 mi15547+1954999+824999+8214289(Top 50%)4663(Top 38%)4663(Top 85%)
21M21.00 mi1.00 mi15627-805091-925091-9216881(Top 59%)6191(Top 51%)6191(Top 113%)
35K21.75 mi0.75 mi15606+215095-45095-415561(Top 55%)5551(Top 45%)5551(Top 101%)
23M23.00 mi1.25 mi15525+815086+95086+915122(Top 53%)5401(Top 44%)5401(Top 99%)
24M24.00 mi1.00 mi15549-245117-315117-3116429(Top 58%)6165(Top 50%)6165(Top 113%)
40K24.85 mi0.85 mi15772-2235276-1595276-15920514(Top 72%)8410(Top 69%)8410(Top 154%)
25.2M25.20 mi0.35 mi15759+135278-25278-216179(Top 57%)6164(Top 50%)6164(Top 113%)
Finish26.22 mi1.02 mi15860-1015365-875365-8718038(Top 64%)7095(Top 58%)7095(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13612

Females

3798

F18-39

3798

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11231

Females

2438

F18-39

2438

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13612

Females

3798

F18-39

3798

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15658

Females

5013

F18-39

5013

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16071

Females

5232

F18-39

5232

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

23713

Females

9595

F18-39

9595

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

16018

Females

5471

F18-39

5471

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14289

Females

4663

F18-39

4663

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16881

Females

6191

F18-39

6191

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15561

Females

5551

F18-39

5551

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15122

Females

5401

F18-39

5401

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16429

Females

6165

F18-39

6165

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20514

Females

8410

F18-39

8410

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16179

Females

6164

F18-39

6164

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18038

Females

7095

F18-39

7095

Passing Analysis

Category:
Athletes Passed
1002
Passed By
7812
Net Change
-6812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9048
5K → 10K301112-1084#9048#10132
10K → 15K301150-1120#10132#11252
15K → 20K341189-1155#11252#12407
20K → Half4188-184#12407#12591
Half → 25K53085-3080#12591#15671
25K → 30K208279-71#15671#15742
30K → 20M22025+195#15742#15547
20M → 21M91171-80#15547#15627
21M → 35K6746+21#15627#15606
35K → 23M14261+81#15606#15525
23M → 24M6387-24#15525#15549
24M → 40K30253-223#15549#15772
40K → 25.2M4128+13#15772#15759
25.2M → Finish37138-101#15759#15860
TOTALS10027812-6812
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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