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BOSTON MARATHON 2025

Marijana Kolovrat

Bib: 20091•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Masters (Masters Women)
#0 / 6759
Top 27%
Division (F50-54)
#0 / 1303
Top 18%
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
7:56/mi
1:13:26
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:38:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:43:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
2:03:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:30:49
↑ 181↓ 1480.2%
20M
8:40/mi
2:42:36
↑ 64↓ 500.2%
21M
9:44/mi
2:52:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:58:34
↑ 17↓ 861.7%
23M
8:52/mi
3:09:40
↑ 23↓ 630.6%
24M
8:23/mi
3:18:03
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:25:22
↓ 200.3%
25.2M
9:40/mi
3:28:42
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:37:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:55
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:53:15
Pace8:38 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4124:137:4824:13
7:48
-
10K
6.21 mi11:48:1648:487:5124:35
7:55
+0:07
15K
9.32 mi12:12:541:13:267:5324:38
7:56
+0:01
20K
12.43 mi12:38:051:38:377:5625:11
8:06
+0:10
Half
13.11 mi12:43:231:43:557:565:18
7:46
-0:20
25K
15.53 mi13:03:262:03:587:5920:03
8:16
+0:30
30K
18.64 mi13:30:172:30:498:0526:51
8:39
+0:23
20M
20.00 mi13:42:042:42:368:0811:47
8:40
+0:01
21M
21.00 mi13:51:482:52:208:129:44
9:44
+1:04
35K
21.75 mi13:58:022:58:348:136:14
8:20
-1:24
23M
23.00 mi14:09:083:09:408:1511:06
8:52
+0:32
24M
24.00 mi14:17:313:18:038:158:23
8:23
-0:29
40K
24.85 mi14:24:503:25:228:167:19
8:33
+0:10
25.2M
25.20 mi14:28:103:28:428:173:20
9:40
+1:07
Finish
26.22 mi14:36:383:37:108:178:28
8:19
-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

7:46 /mi

Average Pace

8:17 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:44

36% of race

Time at Steady Pace

1:15:38

35% of race

Time at Slower Pace

1:02:48

29% of race

Average Pace: 8:17 /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 mi11:23:4124:137:4824:13
7:48
#14779
10K
6.21 mi11:48:1648:487:5124:35
7:55
#15286
15K
9.32 mi12:12:541:13:267:5324:38
7:56
#15323
20K
12.43 mi12:38:051:38:377:5625:11
8:06
#15412
Half
13.11 mi12:43:231:43:557:565:18
7:46
#15332
25K
15.53 mi13:03:262:03:587:5920:03
8:16
#15399
30K
18.64 mi13:30:172:30:498:0526:51
8:39
#15438
20M
20.00 mi13:42:042:42:368:0811:47
8:40
#15361
21M
21.00 mi13:51:482:52:208:129:44
9:44
#15445
35K
21.75 mi13:58:022:58:348:136:14
8:20
#15384
23M
23.00 mi14:09:083:09:408:1511:06
8:52
#15353
24M
24.00 mi14:17:313:18:038:158:23
8:23
#15270
40K
24.85 mi14:24:503:25:228:167:19
8:33
#15192
25.2M
25.20 mi14:28:103:28:428:173:20
9:40
#15193
Finish
26.22 mi14:36:383:37:108:178:28
8:19
#15185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi147794400440015490(Top 55%)4857(Top 40%)4857(Top 373%)
10K6.21 mi3.10 mi15286-5074716-3164716-31615765(Top 56%)4994(Top 41%)4994(Top 383%)
15K9.32 mi3.11 mi15323-374746-304746-3015490(Top 55%)4857(Top 40%)4857(Top 373%)
20K12.43 mi3.11 mi15412-894813-674813-6715686(Top 55%)5031(Top 41%)5031(Top 386%)
Half13.11 mi0.68 mi15332+804767+464767+4614097(Top 50%)4130(Top 34%)4130(Top 317%)
25K15.53 mi2.42 mi15399-674832-654832-6515734(Top 55%)5148(Top 42%)5148(Top 395%)
30K18.64 mi3.11 mi15438-394911-794911-7915651(Top 55%)5254(Top 43%)5254(Top 403%)
20M20.00 mi1.36 mi15361+774902+94902+914889(Top 52%)4983(Top 41%)4983(Top 382%)
21M21.00 mi1.00 mi15445-844979-774979-7717188(Top 61%)6360(Top 52%)6360(Top 488%)
35K21.75 mi0.75 mi15384+614963+164963+1614513(Top 51%)4967(Top 41%)4967(Top 381%)
23M23.00 mi1.25 mi15353+314982-194982-1915493(Top 55%)5595(Top 46%)5595(Top 429%)
24M24.00 mi1.00 mi15270+834960+224960+2213793(Top 49%)4716(Top 39%)4716(Top 362%)
40K24.85 mi0.85 mi15192+784953+74953+713820(Top 49%)4868(Top 40%)4868(Top 374%)
25.2M25.20 mi0.35 mi15193-14963-104963-1015486(Top 55%)5810(Top 48%)5810(Top 446%)
Finish26.22 mi1.02 mi15185+84981-184981-1814988(Top 53%)5473(Top 45%)5473(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15490

Females

4857

F50-54

4857

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15765

Females

4994

F50-54

4994

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15490

Females

4857

F50-54

4857

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15686

Females

5031

F50-54

5031

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14097

Females

4130

F50-54

4130

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15734

Females

5148

F50-54

5148

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15651

Females

5254

F50-54

5254

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14889

Females

4983

F50-54

4983

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17188

Females

6360

F50-54

6360

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14513

Females

4967

F50-54

4967

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15493

Females

5595

F50-54

5595

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13793

Females

4716

F50-54

4716

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13820

Females

4868

F50-54

4868

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15486

Females

5810

F50-54

5810

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14988

Females

5473

F50-54

5473

Passing Analysis

Category:
Athletes Passed
1749
Passed By
2155
Net Change
-406
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14779
5K → 10K130637-507#14779#15286
10K → 15K197234-37#15286#15323
15K → 20K180269-89#15323#15412
20K → Half855+80#15412#15332
Half → 25K157224-67#15332#15399
25K → 30K228267-39#15399#15438
30K → 20M15174+77#15438#15361
20M → 21M88172-84#15361#15445
21M → 35K8928+61#15445#15384
35K → 23M12291+31#15384#15353
23M → 24M11330+83#15353#15270
24M → 40K10022+78#15270#15192
40K → 25.2M3435-1#15192#15193
25.2M → Finish7567+8#15193#15185
TOTALS17492155-406
📊

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