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BOSTON MARATHON 2025

Mari Breum

Bib: 12622•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 22%
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
7:06/mi
22:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:06:28
↑ 67↓ 78
20K· 12.43 mi
7:14/mi
1:28:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:33:47
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:51:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:15:12
↑ 181↓ 1480.2%
20M
7:41/mi
2:25:38
↑ 64↓ 500.2%
21M
8:13/mi
2:33:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:39:26
↑ 17↓ 861.7%
23M
7:50/mi
2:49:14
↑ 23↓ 630.6%
24M
7:40/mi
2:56:54
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:03:30
↓ 200.3%
25.2M
8:33/mi
3:06:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:13:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:47
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:40:09
Pace7:38 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5022:027:0622:02
7:06
-
10K
6.21 mi11:12:0144:137:0722:11
7:08
+0:02
15K
9.32 mi11:34:161:06:287:0822:15
7:10
+0:02
20K
12.43 mi11:56:451:28:577:0922:29
7:14
+0:04
Half
13.11 mi12:01:351:33:477:094:50
7:05
-0:09
25K
15.53 mi12:19:071:51:197:1017:32
7:14
+0:09
30K
18.64 mi12:43:002:15:127:1523:53
7:41
+0:27
20M
20.00 mi12:53:262:25:387:1710:26
7:41
0:00
21M
21.00 mi13:01:392:33:517:208:13
8:13
+0:32
35K
21.75 mi13:07:142:39:267:205:35
7:28
-0:45
23M
23.00 mi13:17:022:49:147:219:48
7:50
+0:22
24M
24.00 mi13:24:422:56:547:227:40
7:40
-0:10
40K
24.85 mi13:31:183:03:307:236:36
7:43
+0:03
25.2M
25.20 mi13:34:153:06:277:242:57
8:33
+0:50
Finish
26.22 mi13:41:443:13:567:247:29
7:21
-1:12

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

7:05 /mi

Average Pace

7:24 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:19

57% of race

Time at Steady Pace

20:44

11% of race

Time at Slower Pace

1:01:53

32% of race

Average Pace: 7:24 /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 mi10:49:5022:027:0622:02
7:06
#8576
10K
6.21 mi11:12:0144:137:0722:11
7:08
#8763
15K
9.32 mi11:34:161:06:287:0822:15
7:10
#8757
20K
12.43 mi11:56:451:28:577:0922:29
7:14
#8622
Half
13.11 mi12:01:351:33:477:094:50
7:05
#8578
25K
15.53 mi12:19:071:51:197:1017:32
7:14
#8397
30K
18.64 mi12:43:002:15:127:1523:53
7:41
#8450
20M
20.00 mi12:53:262:25:387:1710:26
7:41
#8398
21M
21.00 mi13:01:392:33:517:208:13
8:13
#8353
35K
21.75 mi13:07:142:39:267:205:35
7:28
#8321
23M
23.00 mi13:17:022:49:147:219:48
7:50
#8292
24M
24.00 mi13:24:422:56:547:227:40
7:40
#8265
40K
24.85 mi13:31:183:03:307:236:36
7:43
#8227
25.2M
25.20 mi13:34:153:06:277:242:57
8:33
#8236
Finish
26.22 mi13:41:443:13:567:247:29
7:21
#8197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8576119311938806(Top 31%)1341(Top 11%)1341(Top 25%)
10K6.21 mi3.10 mi8763-1871282-891282-899008(Top 32%)1378(Top 11%)1378(Top 25%)
15K9.32 mi3.11 mi8757+61298-161298-168806(Top 31%)1341(Top 11%)1341(Top 25%)
20K12.43 mi3.11 mi8622+1351263+351263+358521(Top 30%)1325(Top 11%)1325(Top 24%)
Half13.11 mi0.68 mi8578+441255+81255+88250(Top 29%)1188(Top 10%)1188(Top 22%)
25K15.53 mi2.42 mi8397+1811203+521203+527855(Top 28%)1164(Top 10%)1164(Top 21%)
30K18.64 mi3.11 mi8450-531280-771280-779112(Top 32%)1889(Top 15%)1889(Top 35%)
20M20.00 mi1.36 mi8398+521291-111291-118217(Top 29%)1621(Top 13%)1621(Top 30%)
21M21.00 mi1.00 mi8353+451308-171308-178696(Top 31%)2023(Top 17%)2023(Top 37%)
35K21.75 mi0.75 mi8321+321316-81316-88389(Top 30%)1830(Top 15%)1830(Top 33%)
23M23.00 mi1.25 mi8292+291351-351351-358789(Top 31%)2158(Top 18%)2158(Top 39%)
24M24.00 mi1.00 mi8265+271375-241375-248913(Top 31%)2276(Top 19%)2276(Top 42%)
40K24.85 mi0.85 mi8227+381390-151390-158236(Top 29%)2085(Top 17%)2085(Top 38%)
25.2M25.20 mi0.35 mi8236-91412-221412-229131(Top 32%)2568(Top 21%)2568(Top 47%)
Finish26.22 mi1.02 mi8197+391433-211433-218093(Top 28%)2101(Top 17%)2101(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8806

Females

1341

F18-39

1341

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9008

Females

1378

F18-39

1378

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8806

Females

1341

F18-39

1341

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8521

Females

1325

F18-39

1325

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8250

Females

1188

F18-39

1188

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7855

Females

1164

F18-39

1164

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9112

Females

1889

F18-39

1889

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8217

Females

1621

F18-39

1621

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8696

Females

2023

F18-39

2023

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8389

Females

1830

F18-39

1830

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8789

Females

2158

F18-39

2158

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8913

Females

2276

F18-39

2276

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8236

Females

2085

F18-39

2085

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9131

Females

2568

F18-39

2568

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

8093

Females

2101

F18-39

2101

Passing Analysis

Category:
Athletes Passed
1729
Passed By
1350
Net Change
+379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8576
5K → 10K123310-187#8576#8763
10K → 15K162156+6#8763#8757
15K → 20K244109+135#8757#8622
20K → Half6117+44#8622#8578
Half → 25K22140+181#8578#8397
25K → 30K191244-53#8397#8450
30K → 20M12068+52#8450#8398
20M → 21M11368+45#8398#8353
21M → 35K7644+32#8353#8321
35K → 23M12697+29#8321#8292
23M → 24M9467+27#8292#8265
24M → 40K8143+38#8265#8227
40K → 25.2M3140-9#8227#8236
25.2M → Finish8647+39#8236#8197
TOTALS17291350+379
📊

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