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BOSTON MARATHON 2025

Sabina Bremer

Bib: 15622•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #8858
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
44:19
Rank: #8893 (-35)
5K → 10K
22:11 | 7:08/mi
15K· 9.32 mi
1:06:36
Rank: #8891 (+2)
10K → 15K
22:17 | 7:10/mi
20K· 12.43 mi
1:28:56
Rank: #8605 (+286)
15K → 20K
22:20 | 7:11/mi
Half· 13.11 mi
1:33:46
Rank: #8562 (+43)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:51:07
Rank: #8322 (+240)
Half → 25K
17:21 | 7:09/mi
30K· 18.64 mi
2:14:25
Rank: #8117 (+205)
25K → 30K
23:18 | 7:30/mi
20M
2:24:57
Rank: #8111 (+6)
30K → 20M
10:32 | 7:45/mi
21M
2:33:43
Rank: #8302 (-191)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:40:28
Rank: #8736 (-434)
21M → 35K
6:45 | 9:01/mi
23M
2:52:27
Rank: #9484 (-748)
35K → 23M
11:59 | 9:34/mi
24M
3:01:23
Rank: #9857 (-373)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:09:10
Rank: #10167 (-310)
24M → 40K
7:47 | 9:06/mi
25.2M
3:12:26
Rank: #10236 (-69)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:20:56
Rank: #10416 (-180)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:46
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:47:10
Pace8:11 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0622:087:0722:08
7:07
-
10K
6.21 mi11:16:1744:197:0822:11
7:08
+0:01
15K
9.32 mi11:38:341:06:367:0922:17
7:10
+0:02
20K
12.43 mi12:00:541:28:567:0922:20
7:11
+0:01
Half
13.11 mi12:05:441:33:467:094:50
7:05
-0:06
25K
15.53 mi12:23:051:51:077:0917:21
7:09
+0:04
30K
18.64 mi12:46:232:14:257:1323:18
7:30
+0:21
20M
20.00 mi12:56:552:24:577:1510:32
7:45
+0:15
21M
21.00 mi13:05:412:33:437:198:46
8:46
+1:01
35K
21.75 mi13:12:262:40:287:236:45
9:01
+0:15
23M
23.00 mi13:24:252:52:277:3011:59
9:34
+0:33
24M
24.00 mi13:33:213:01:237:338:56
8:56
-0:38
40K
24.85 mi13:41:083:09:107:377:47
9:06
+0:10
25.2M
25.20 mi13:44:243:12:267:383:16
9:28
+0:22
Finish
26.22 mi13:52:543:20:567:408:30
8:20
-1:08

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

7:40 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:07

55% of race

Time at Steady Pace

33:50

17% of race

Time at Slower Pace

55:59

28% of race

Average Pace: 7:40 /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 mi10:54:0622:087:0722:08
7:07
#8858
10K
6.21 mi11:16:1744:197:0822:11
7:08
#8893
15K
9.32 mi11:38:341:06:367:0922:17
7:10
#8891
20K
12.43 mi12:00:541:28:567:0922:20
7:11
#8605
Half
13.11 mi12:05:441:33:467:094:50
7:05
#8562
25K
15.53 mi12:23:051:51:077:0917:21
7:09
#8322
30K
18.64 mi12:46:232:14:257:1323:18
7:30
#8117
20M
20.00 mi12:56:552:24:577:1510:32
7:45
#8111
21M
21.00 mi13:05:412:33:437:198:46
8:46
#8302
35K
21.75 mi13:12:262:40:287:236:45
9:01
#8736
23M
23.00 mi13:24:252:52:277:3011:59
9:34
#9484
24M
24.00 mi13:33:213:01:237:338:56
8:56
#9857
40K
24.85 mi13:41:083:09:107:377:47
9:06
#10167
25.2M
25.20 mi13:44:243:12:267:383:16
9:28
#10236
Finish
26.22 mi13:52:543:20:567:408:30
8:20
#10416
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8858131613168913(Top 31%)1389(Top 11%)1389(Top 25%)
10K6.21 mi3.10 mi8893-351343-271343-279012(Top 32%)1382(Top 11%)1382(Top 25%)
15K9.32 mi3.11 mi8891+21351-81351-88913(Top 31%)1389(Top 11%)1389(Top 25%)
20K12.43 mi3.11 mi8605+2861257+941257+948124(Top 29%)1159(Top 9%)1159(Top 21%)
Half13.11 mi0.68 mi8562+431248+91248+98268(Top 29%)1206(Top 10%)1206(Top 22%)
25K15.53 mi2.42 mi8322+2401177+711177+717332(Top 26%)976(Top 8%)976(Top 18%)
30K18.64 mi3.11 mi8117+2051159+181159+187752(Top 27%)1297(Top 11%)1297(Top 24%)
20M20.00 mi1.36 mi8111+61185-261185-268753(Top 31%)1865(Top 15%)1865(Top 34%)
21M21.00 mi1.00 mi8302-1911285-1001285-10012099(Top 43%)3644(Top 30%)3644(Top 67%)
35K21.75 mi0.75 mi8736-4341486-2011486-20118341(Top 65%)7084(Top 58%)7084(Top 130%)
23M23.00 mi1.25 mi9484-7481848-3621848-36218978(Top 67%)7501(Top 61%)7501(Top 137%)
24M24.00 mi1.00 mi9857-3732067-2192067-21917020(Top 60%)6502(Top 53%)6502(Top 119%)
40K24.85 mi0.85 mi10167-3102262-1952262-19516883(Top 59%)6514(Top 53%)6514(Top 119%)
25.2M25.20 mi0.35 mi10236-692307-452307-4514446(Top 51%)5235(Top 43%)5235(Top 96%)
Finish26.22 mi1.02 mi10416-1802424-1172424-11715191(Top 53%)5576(Top 46%)5576(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8913

Females

1389

F18-39

1389

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9012

Females

1382

F18-39

1382

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8913

Females

1389

F18-39

1389

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8124

Females

1159

F18-39

1159

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8268

Females

1206

F18-39

1206

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7332

Females

976

F18-39

976

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7752

Females

1297

F18-39

1297

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8753

Females

1865

F18-39

1865

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12099

Females

3644

F18-39

3644

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18341

Females

7084

F18-39

7084

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

18978

Females

7501

F18-39

7501

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17020

Females

6502

F18-39

6502

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16883

Females

6514

F18-39

6514

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14446

Females

5235

F18-39

5235

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15191

Females

5576

F18-39

5576

Passing Analysis

Category:
Athletes Passed
1580
Passed By
3136
Net Change
-1558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8858
5K → 10K198233-35#8858#8893
10K → 15K166164+2#8893#8891
15K → 20K32943+286#8891#8605
20K → Half5815+43#8605#8562
Half → 25K26222+240#8562#8322
25K → 30K29489+205#8322#8117
30K → 20M107101+6#8117#8111
20M → 21M46237-191#8111#8302
21M → 35K8442-434#8302#8736
35K → 23M20768-748#8736#9484
23M → 24M18391-373#9484#9857
24M → 40K23331-310#9857#10167
40K → 25.2M1988-69#10167#10236
25.2M → Finish32212-180#10236#10416
TOTALS15803136-1558
📊

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