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BOSTON MARATHON 2025

Emily Burd

Bib: 13837•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
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
7:22/mi
22:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:08:30
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:31:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:36:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:55:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:21:26
↑ 181↓ 1480.2%
20M
8:45/mi
2:33:20
↑ 64↓ 500.2%
21M
9:42/mi
2:43:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
2:49:35
↑ 17↓ 861.7%
23M
9:54/mi
3:01:59
↑ 23↓ 630.6%
24M
9:55/mi
3:11:54
↓ 821.3%
40K· 24.85 mi
10:23/mi
3:20:47
↓ 200.3%
25.2M
10:58/mi
3:24:34
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
3:33:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:56:56
Pace8:55 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1622:527:2222:52
7:22
-
10K
6.21 mi11:15:0145:377:2022:45
7:19
-0:03
15K
9.32 mi11:37:541:08:307:2122:53
7:22
+0:03
20K
12.43 mi12:01:161:31:527:2423:22
7:31
+0:09
Half
13.11 mi12:06:221:36:587:245:06
7:29
-0:02
25K
15.53 mi12:24:571:55:337:2618:35
7:40
+0:11
30K
18.64 mi12:50:502:21:267:3525:53
8:20
+0:40
20M
20.00 mi13:02:442:33:207:4011:54
8:45
+0:25
21M
21.00 mi13:12:262:43:027:469:42
9:42
+0:57
35K
21.75 mi13:18:592:49:357:486:33
8:45
-0:57
23M
23.00 mi13:31:233:01:597:5512:24
9:54
+1:09
24M
24.00 mi13:41:183:11:548:009:55
9:55
+0:01
40K
24.85 mi13:50:113:20:478:058:53
10:23
+0:28
25.2M
25.20 mi13:53:583:24:348:073:47
10:58
+0:35
Finish
26.22 mi14:03:183:33:548:109:20
9:10
-1:48

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

7:19 /mi

Average Pace

8:10 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:33

54% of race

Time at Steady Pace

53:40

25% of race

Time at Slower Pace

44:41

21% of race

Average Pace: 8:09 /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 mi10:52:1622:527:2222:52
7:22
#10974
10K
6.21 mi11:15:0145:377:2022:45
7:19
#10700
15K
9.32 mi11:37:541:08:307:2122:53
7:22
#10639
20K
12.43 mi12:01:161:31:527:2423:22
7:31
#10695
Half
13.11 mi12:06:221:36:587:245:06
7:29
#10735
25K
15.53 mi12:24:571:55:337:2618:35
7:40
#10793
30K
18.64 mi12:50:502:21:267:3525:53
8:20
#11338
20M
20.00 mi13:02:442:33:207:4011:54
8:45
#11610
21M
21.00 mi13:12:262:43:027:469:42
9:42
#11996
35K
21.75 mi13:18:592:49:357:486:33
8:45
#12205
23M
23.00 mi13:31:233:01:597:5512:24
9:54
#12856
24M
24.00 mi13:41:183:11:548:009:55
9:55
#13369
40K
24.85 mi13:50:113:20:478:058:53
10:23
#13882
25.2M
25.20 mi13:53:583:24:348:073:47
10:58
#14033
Finish
26.22 mi14:03:183:33:548:109:20
9:10
#14259
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109742277227710571(Top 37%)2161(Top 18%)2161(Top 40%)
10K6.21 mi3.10 mi10700+2742161+1162161+11610550(Top 37%)2087(Top 17%)2087(Top 38%)
15K9.32 mi3.11 mi10639+612152+92152+910571(Top 37%)2161(Top 18%)2161(Top 40%)
20K12.43 mi3.11 mi10695-562193-412193-4110971(Top 39%)2464(Top 20%)2464(Top 45%)
Half13.11 mi0.68 mi10735-402212-192212-1911590(Top 41%)2749(Top 22%)2749(Top 50%)
25K15.53 mi2.42 mi10793-582282-702282-7011298(Top 40%)2747(Top 22%)2747(Top 50%)
30K18.64 mi3.11 mi11338-5452645-3632645-36313700(Top 48%)4200(Top 34%)4200(Top 77%)
20M20.00 mi1.36 mi11610-2722827-1822827-18215427(Top 54%)5277(Top 43%)5277(Top 96%)
21M21.00 mi1.00 mi11996-3863069-2423069-24217035(Top 60%)6269(Top 51%)6269(Top 115%)
35K21.75 mi0.75 mi12205-2093211-1423211-14217028(Top 60%)6349(Top 52%)6349(Top 116%)
23M23.00 mi1.25 mi12856-6513587-3763587-37620171(Top 71%)8132(Top 67%)8132(Top 149%)
24M24.00 mi1.00 mi13369-5133903-3163903-31621113(Top 74%)8658(Top 71%)8658(Top 158%)
40K24.85 mi0.85 mi13882-5134233-3304233-33021620(Top 76%)8994(Top 74%)8994(Top 164%)
25.2M25.20 mi0.35 mi14033-1514305-724305-7220537(Top 72%)8415(Top 69%)8415(Top 154%)
Finish26.22 mi1.02 mi14259-2264459-1544459-15419780(Top 70%)8019(Top 66%)8019(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10571

Females

2161

F18-39

2161

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10550

Females

2087

F18-39

2087

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10571

Females

2161

F18-39

2161

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10971

Females

2464

F18-39

2464

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11590

Females

2749

F18-39

2749

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11298

Females

2747

F18-39

2747

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13700

Females

4200

F18-39

4200

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15427

Females

5277

F18-39

5277

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17035

Females

6269

F18-39

6269

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17028

Females

6349

F18-39

6349

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20171

Females

8132

F18-39

8132

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

21113

Females

8658

F18-39

8658

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21620

Females

8994

F18-39

8994

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20537

Females

8415

F18-39

8415

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19780

Females

8019

F18-39

8019

Passing Analysis

Category:
Athletes Passed
1248
Passed By
4533
Net Change
-3285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10974
5K → 10K422148+274#10974#10700
10K → 15K190129+61#10700#10639
15K → 20K150206-56#10639#10695
20K → Half2565-40#10695#10735
Half → 25K147205-58#10735#10793
25K → 30K107652-545#10793#11338
30K → 20M64336-272#11338#11610
20M → 21M30416-386#11610#11996
21M → 35K25234-209#11996#12205
35K → 23M28679-651#12205#12856
23M → 24M7520-513#12856#13369
24M → 40K16529-513#13369#13882
40K → 25.2M11162-151#13882#14033
25.2M → Finish26252-226#14033#14259
TOTALS12484533-3285
📊

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