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BOSTON MARATHON 2025

Emily Brandt

Bib: 15247•F

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
8:58/mi
27:52
↑ 97↓ 3451.5%
10K· 6.21 mi
9:31/mi
57:27
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:24:31
↑ 67↓ 78
20K· 12.43 mi
8:44/mi
1:51:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:57:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:52/mi
2:19:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:46:51
↑ 181↓ 1480.2%
20M
8:48/mi
2:58:48
↑ 64↓ 500.2%
21M
9:04/mi
3:07:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:14:20
↑ 17↓ 861.7%
23M
8:50/mi
3:25:23
↑ 23↓ 630.6%
24M
8:44/mi
3:34:07
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:41:15
↓ 200.3%
25.2M
8:07/mi
3:44:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:51:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:57:39
Pace8:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:54
Pace8:41 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0227:528:5827:52
8:58
-
10K
6.21 mi11:56:3757:279:1529:35
9:31
+0:33
15K
9.32 mi12:23:411:24:319:0427:04
8:43
-0:48
20K
12.43 mi12:50:491:51:398:5927:08
8:44
+0:01
Half
13.11 mi12:56:491:57:398:586:00
8:48
+0:04
25K
15.53 mi13:18:182:19:088:5721:29
8:52
+0:04
30K
18.64 mi13:46:012:46:518:5727:43
8:55
+0:03
20M
20.00 mi13:57:582:58:488:5611:57
8:48
-0:07
21M
21.00 mi14:07:023:07:528:579:04
9:04
+0:16
35K
21.75 mi14:13:303:14:208:566:28
8:39
-0:25
23M
23.00 mi14:24:333:25:238:5611:03
8:50
+0:11
24M
24.00 mi14:33:173:34:078:558:44
8:44
-0:06
40K
24.85 mi14:40:253:41:158:547:08
8:21
-0:23
25.2M
25.20 mi14:43:133:44:038:532:48
8:07
-0:14
Finish
26.22 mi14:50:433:51:338:507:30
7:22
-0:45

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

7:22 /mi

Average Pace

8:50 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:26

8% of race

Time at Steady Pace

2:55:28

76% of race

Time at Slower Pace

38:39

17% of race

Average Pace: 8:50 /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 mi11:27:0227:528:5827:52
8:58
#22297
10K
6.21 mi11:56:3757:279:1529:35
9:31
#23362
15K
9.32 mi12:23:411:24:319:0427:04
8:43
#22570
20K
12.43 mi12:50:491:51:398:5927:08
8:44
#21867
Half
13.11 mi12:56:491:57:398:586:00
8:48
#21804
25K
15.53 mi13:18:182:19:088:5721:29
8:52
#21363
30K
18.64 mi13:46:012:46:518:5727:43
8:55
#20630
20M
20.00 mi13:57:582:58:488:5611:57
8:48
#20269
21M
21.00 mi14:07:023:07:528:579:04
9:04
#19932
35K
21.75 mi14:13:303:14:208:566:28
8:39
#19806
23M
23.00 mi14:24:333:25:238:5611:03
8:50
#19561
24M
24.00 mi14:33:173:34:078:558:44
8:44
#19412
40K
24.85 mi14:40:253:41:158:547:08
8:21
#19170
25.2M
25.20 mi14:43:133:44:038:532:48
8:07
#18988
Finish
26.22 mi14:50:433:51:338:507:30
7:22
#18654
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi222978792879220560(Top 72%)7745(Top 63%)7745(Top 142%)
10K6.21 mi3.10 mi23362-10659348-5569348-55624169(Top 85%)9782(Top 80%)9782(Top 179%)
15K9.32 mi3.11 mi22570+7928891+4578891+45720560(Top 72%)7745(Top 63%)7745(Top 142%)
20K12.43 mi3.11 mi21867+7038530+3618530+36119596(Top 69%)7260(Top 59%)7260(Top 133%)
Half13.11 mi0.68 mi21804+638494+368494+3620886(Top 74%)7969(Top 65%)7969(Top 146%)
25K15.53 mi2.42 mi21363+4418251+2438251+24319244(Top 68%)7110(Top 58%)7110(Top 130%)
30K18.64 mi3.11 mi20630+7337888+3637888+36317276(Top 61%)6178(Top 51%)6178(Top 113%)
20M20.00 mi1.36 mi20269+3617705+1837705+18315662(Top 55%)5406(Top 44%)5406(Top 99%)
21M21.00 mi1.00 mi19932+3377532+1737532+17313953(Top 49%)4622(Top 38%)4622(Top 85%)
35K21.75 mi0.75 mi19806+1267477+557477+5516398(Top 58%)6018(Top 49%)6018(Top 110%)
23M23.00 mi1.25 mi19561+2457372+1057372+10515280(Top 54%)5490(Top 45%)5490(Top 100%)
24M24.00 mi1.00 mi19412+1497314+587314+5815968(Top 56%)5922(Top 48%)5922(Top 108%)
40K24.85 mi0.85 mi19170+2427188+1267188+12612485(Top 44%)4194(Top 34%)4194(Top 77%)
25.2M25.20 mi0.35 mi18988+1827103+857103+856727(Top 24%)1555(Top 13%)1555(Top 28%)
Finish26.22 mi1.02 mi18654+3346931+1726931+1728261(Top 29%)2197(Top 18%)2197(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20560

Females

7745

F18-39

7745

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24169

Females

9782

F18-39

9782

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20560

Females

7745

F18-39

7745

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19596

Females

7260

F18-39

7260

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20886

Females

7969

F18-39

7969

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19244

Females

7110

F18-39

7110

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17276

Females

6178

F18-39

6178

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15662

Females

5406

F18-39

5406

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13953

Females

4622

F18-39

4622

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16398

Females

6018

F18-39

6018

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15280

Females

5490

F18-39

5490

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15968

Females

5922

F18-39

5922

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12485

Females

4194

F18-39

4194

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6727

Females

1555

F18-39

1555

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8261

Females

2197

F18-39

2197

Passing Analysis

Category:
Athletes Passed
4774
Passed By
1131
Net Change
+3643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22297
5K → 10K311096-1065#22297#23362
10K → 15K7975+792#23362#22570
15K → 20K7063+703#22570#21867
20K → Half685+63#21867#21804
Half → 25K4421+441#21804#21363
25K → 30K7341+733#21363#20630
30K → 20M3632+361#20630#20269
20M → 21M3381+337#20269#19932
21M → 35K1271+126#19932#19806
35K → 23M25611+245#19806#19561
23M → 24M1523+149#19561#19412
24M → 40K2442+242#19412#19170
40K → 25.2M1820+182#19170#18988
25.2M → Finish3340+334#18988#18654
TOTALS47741131+3643
📊

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