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BOSTON MARATHON 2025

Tatiana Kardashina

Bib: 16497•F

NM

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Division (F18-39)
#0 / 5469
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
7:48/mi
24:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
48:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:14:18
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:40:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:45:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:05:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:32:40
↑ 181↓ 1480.2%
20M
8:36/mi
2:44:21
↑ 64↓ 500.2%
21M
8:51/mi
2:53:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:59:08
↑ 17↓ 861.7%
23M
8:38/mi
3:09:56
↑ 23↓ 630.6%
24M
8:32/mi
3:18:28
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:25:46
↓ 200.3%
25.2M
9:11/mi
3:28:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:36:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:47
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:51:08
Pace8:29 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:3524:137:4824:13
7:48
-
10K
6.21 mi11:23:1048:487:5124:35
7:55
+0:07
15K
9.32 mi11:48:401:14:187:5825:30
8:12
+0:17
20K
12.43 mi12:14:301:40:088:0325:50
8:19
+0:07
Half
13.11 mi12:20:091:45:478:045:39
8:17
-0:02
25K
15.53 mi12:40:182:05:568:0620:09
8:19
+0:02
30K
18.64 mi13:07:022:32:408:1126:44
8:36
+0:17
20M
20.00 mi13:18:432:44:218:1311:41
8:36
0:00
21M
21.00 mi13:27:342:53:128:158:51
8:51
+0:15
35K
21.75 mi13:33:302:59:088:145:56
7:56
-0:55
23M
23.00 mi13:44:183:09:568:1510:48
8:38
+0:42
24M
24.00 mi13:52:503:18:288:168:32
8:32
-0:06
40K
24.85 mi14:00:083:25:468:177:18
8:32
0:00
25.2M
25.20 mi14:03:183:28:568:173:10
9:11
+0:39
Finish
26.22 mi14:11:173:36:558:177:59
7:50
-1:21

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

7:48 /mi

Average Pace

8:17 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:41

72% of race

Time at Steady Pace

1:01:14

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi10:58:3524:137:4824:13
7:48
#14778
10K
6.21 mi11:23:1048:487:5124:35
7:55
#15285
15K
9.32 mi11:48:401:14:187:5825:30
8:12
#16092
20K
12.43 mi12:14:301:40:088:0325:50
8:19
#16366
Half
13.11 mi12:20:091:45:478:045:39
8:17
#16451
25K
15.53 mi12:40:182:05:568:0620:09
8:19
#16369
30K
18.64 mi13:07:022:32:408:1126:44
8:36
#16151
20M
20.00 mi13:18:432:44:218:1311:41
8:36
#15984
21M
21.00 mi13:27:342:53:128:158:51
8:51
#15738
35K
21.75 mi13:33:302:59:088:145:56
7:56
#15579
23M
23.00 mi13:44:183:09:568:1510:48
8:38
#15444
24M
24.00 mi13:52:503:18:288:168:32
8:32
#15388
40K
24.85 mi14:00:083:25:468:177:18
8:32
#15306
25.2M
25.20 mi14:03:183:28:568:173:10
9:11
#15259
Finish
26.22 mi14:11:173:36:558:177:59
7:50
#15079
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147784399439917437(Top 61%)5974(Top 49%)5974(Top 109%)
10K6.21 mi3.10 mi15285-5074715-3164715-31615763(Top 55%)4992(Top 41%)4992(Top 91%)
15K9.32 mi3.11 mi16092-8075191-4765191-47617437(Top 61%)5974(Top 49%)5974(Top 109%)
20K12.43 mi3.11 mi16366-2745362-1715362-17117012(Top 60%)5779(Top 47%)5779(Top 106%)
Half13.11 mi0.68 mi16451-855406-445406-4417826(Top 63%)6205(Top 51%)6205(Top 113%)
25K15.53 mi2.42 mi16369+825386+205386+2015991(Top 56%)5305(Top 43%)5305(Top 97%)
30K18.64 mi3.11 mi16151+2185314+725314+7215425(Top 54%)5136(Top 42%)5136(Top 94%)
20M20.00 mi1.36 mi15984+1675260+545260+5414435(Top 51%)4745(Top 39%)4745(Top 87%)
21M21.00 mi1.00 mi15738+2465158+1025158+10212644(Top 45%)3954(Top 32%)3954(Top 72%)
35K21.75 mi0.75 mi15579+1595078+805078+8011842(Top 42%)3581(Top 29%)3581(Top 65%)
23M23.00 mi1.25 mi15444+1355042+365042+3614116(Top 50%)4860(Top 40%)4860(Top 89%)
24M24.00 mi1.00 mi15388+565034+85034+814751(Top 52%)5239(Top 43%)5239(Top 96%)
40K24.85 mi0.85 mi15306+825017+175017+1713700(Top 48%)4811(Top 39%)4811(Top 88%)
25.2M25.20 mi0.35 mi15259+475006+115006+1112897(Top 45%)4455(Top 36%)4455(Top 81%)
Finish26.22 mi1.02 mi15079+1804920+864920+8611722(Top 41%)3813(Top 31%)3813(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17437

Females

5974

F18-39

5974

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15763

Females

4992

F18-39

4992

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17437

Females

5974

F18-39

5974

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17012

Females

5779

F18-39

5779

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

17826

Females

6205

F18-39

6205

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15991

Females

5305

F18-39

5305

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15425

Females

5136

F18-39

5136

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14435

Females

4745

F18-39

4745

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12644

Females

3954

F18-39

3954

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11842

Females

3581

F18-39

3581

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14116

Females

4860

F18-39

4860

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14751

Females

5239

F18-39

5239

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13700

Females

4811

F18-39

4811

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12897

Females

4455

F18-39

4455

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11722

Females

3813

F18-39

3813

Passing Analysis

Category:
Athletes Passed
2094
Passed By
2395
Net Change
-301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14778
5K → 10K130637-507#14778#15285
10K → 15K48855-807#15285#16092
15K → 20K130404-274#16092#16366
20K → Half1297-85#16366#16451
Half → 25K190108+82#16451#16369
25K → 30K333115+218#16369#16151
30K → 20M20639+167#16151#15984
20M → 21M25610+246#15984#15738
21M → 35K1590+159#15738#15579
35K → 23M17439+135#15579#15444
23M → 24M10145+56#15444#15388
24M → 40K11331+82#15388#15306
40K → 25.2M558+47#15306#15259
25.2M → Finish1877+180#15259#15079
TOTALS20942395-301
📊

Passing Visuals

Category:
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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