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BOSTON MARATHON 2025

Marina Toptchiian

Bib: 11532•F

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
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
24:36
Rank: #15893
Start → 5K
24:36 | 7:55/mi
10K· 6.21 mi
49:30
Rank: #16234 (-341)
5K → 10K
24:54 | 8:01/mi
15K· 9.32 mi
1:14:50
Rank: #16553 (-319)
10K → 15K
25:20 | 8:09/mi
20K· 12.43 mi
1:40:25
Rank: #16541 (+12)
15K → 20K
25:35 | 8:14/mi
Half· 13.11 mi
1:45:58
Rank: #16555 (-14)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:06:06
Rank: #16438 (+117)
Half → 25K
20:08 | 8:18/mi
30K· 18.64 mi
2:34:33
Rank: #16779 (-341)
25K → 30K
28:27 | 9:09/mi
20M
2:46:11
Rank: #16572 (+207)
30K → 20M
11:38 | 8:34/mi
21M
2:55:08
Rank: #16328 (+244)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
3:01:07
Rank: #16159 (+169)
21M → 35K
5:59 | 8:00/mi
23M
3:11:38
Rank: #15896 (+263)
35K → 23M
10:31 | 8:24/mi
24M
3:19:43
Rank: #15703 (+193)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:26:51
Rank: #15569 (+134)
24M → 40K
7:08 | 8:21/mi
25.2M
3:29:53
Rank: #15488 (+81)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:37:35
Rank: #15283 (+205)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:51:37
Pace8:31 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3524:367:5524:36
7:55
-
10K
6.21 mi11:16:2949:307:5824:54
8:01
+0:06
15K
9.32 mi11:41:491:14:508:0225:20
8:09
+0:08
20K
12.43 mi12:07:241:40:258:0525:35
8:14
+0:05
Half
13.11 mi12:12:571:45:588:055:33
8:08
-0:06
25K
15.53 mi12:33:052:06:068:0720:08
8:18
+0:10
30K
18.64 mi13:01:322:34:338:1728:27
9:09
+0:51
20M
20.00 mi13:13:102:46:118:1911:38
8:34
-0:35
21M
21.00 mi13:22:072:55:088:208:57
8:57
+0:23
35K
21.75 mi13:28:063:01:078:205:59
8:00
-0:57
23M
23.00 mi13:38:373:11:388:2010:31
8:24
+0:24
24M
24.00 mi13:46:423:19:438:198:05
8:05
-0:19
40K
24.85 mi13:53:503:26:518:197:08
8:21
+0:16
25.2M
25.20 mi13:56:523:29:538:203:02
8:48
+0:27
Finish
26.22 mi14:04:343:37:358:187:42
7:33
-1:15

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

7:33 /mi

Average Pace

8:18 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:11

29% of race

Time at Steady Pace

1:42:20

47% of race

Time at Slower Pace

52:04

24% of race

Average Pace: 8:18 /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 mi10:51:3524:367:5524:36
7:55
#15893
10K
6.21 mi11:16:2949:307:5824:54
8:01
#16234
15K
9.32 mi11:41:491:14:508:0225:20
8:09
#16553
20K
12.43 mi12:07:241:40:258:0525:35
8:14
#16541
Half
13.11 mi12:12:571:45:588:055:33
8:08
#16555
25K
15.53 mi12:33:052:06:068:0720:08
8:18
#16438
30K
18.64 mi13:01:322:34:338:1728:27
9:09
#16779
20M
20.00 mi13:13:102:46:118:1911:38
8:34
#16572
21M
21.00 mi13:22:072:55:088:208:57
8:57
#16328
35K
21.75 mi13:28:063:01:078:205:59
8:00
#16159
23M
23.00 mi13:38:373:11:388:2010:31
8:24
#15896
24M
24.00 mi13:46:423:19:438:198:05
8:05
#15703
40K
24.85 mi13:53:503:26:518:197:08
8:21
#15569
25.2M
25.20 mi13:56:523:29:538:203:02
8:48
#15488
Finish
26.22 mi14:04:343:37:358:187:42
7:33
#15283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi158935077507717104(Top 60%)5790(Top 47%)5790(Top 106%)
10K6.21 mi3.10 mi16234-3415287-2105287-21016602(Top 58%)5482(Top 45%)5482(Top 100%)
15K9.32 mi3.11 mi16553-3195461-1745461-17417104(Top 60%)5790(Top 47%)5790(Top 106%)
20K12.43 mi3.11 mi16541+125459+25459+216534(Top 58%)5508(Top 45%)5508(Top 101%)
Half13.11 mi0.68 mi16555-145471-125471-1216878(Top 59%)5681(Top 46%)5681(Top 104%)
25K15.53 mi2.42 mi16438+1175428+435428+4315955(Top 56%)5287(Top 43%)5287(Top 97%)
30K18.64 mi3.11 mi16779-3415682-2545682-25418448(Top 65%)6806(Top 56%)6806(Top 124%)
20M20.00 mi1.36 mi16572+2075597+855597+8514191(Top 50%)4613(Top 38%)4613(Top 84%)
21M21.00 mi1.00 mi16328+2445482+1155482+11513249(Top 47%)4248(Top 35%)4248(Top 78%)
35K21.75 mi0.75 mi16159+1695416+665416+6612315(Top 43%)3822(Top 31%)3822(Top 70%)
23M23.00 mi1.25 mi15896+2635309+1075309+10712726(Top 45%)4124(Top 34%)4124(Top 75%)
24M24.00 mi1.00 mi15703+1935209+1005209+10011842(Top 42%)3737(Top 31%)3737(Top 68%)
40K24.85 mi0.85 mi15569+1345166+435166+4312470(Top 44%)4179(Top 34%)4179(Top 76%)
25.2M25.20 mi0.35 mi15488+815130+365130+3610735(Top 38%)3391(Top 28%)3391(Top 62%)
Finish26.22 mi1.02 mi15283+2055038+925038+929662(Top 34%)2856(Top 23%)2856(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17104

Females

5790

F18-39

5790

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16602

Females

5482

F18-39

5482

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17104

Females

5790

F18-39

5790

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16534

Females

5508

F18-39

5508

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16878

Females

5681

F18-39

5681

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15955

Females

5287

F18-39

5287

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18448

Females

6806

F18-39

6806

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14191

Females

4613

F18-39

4613

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13249

Females

4248

F18-39

4248

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12315

Females

3822

F18-39

3822

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12726

Females

4124

F18-39

4124

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11842

Females

3737

F18-39

3737

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12470

Females

4179

F18-39

4179

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10735

Females

3391

F18-39

3391

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9662

Females

2856

F18-39

2856

Passing Analysis

Category:
Athletes Passed
2450
Passed By
1840
Net Change
+610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15893
5K → 10K197538-341#15893#16234
10K → 15K115434-319#16234#16553
15K → 20K224212+12#16553#16541
20K → Half2539-14#16541#16555
Half → 25K20285+117#16555#16438
25K → 30K133474-341#16438#16779
30K → 20M22114+207#16779#16572
20M → 21M25511+244#16572#16328
21M → 35K1723+169#16328#16159
35K → 23M2674+263#16159#15896
23M → 24M1974+193#15896#15703
24M → 40K15016+134#15703#15569
40K → 25.2M865+81#15569#15488
25.2M → Finish2061+205#15488#15283
TOTALS24501840+610
📊

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