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BOSTON MARATHON 2025

Emily Block

Bib: 12552•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 29%
Masters (Masters Women)
#0 / 6759
Top 14%
Division (F40-44)
#0 / 1718
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:56
Rank: #14013
Start → 5K
23:56 | 7:42/mi
10K· 6.21 mi
47:57
Rank: #14049 (-36)
5K → 10K
24:01 | 7:44/mi
15K· 9.32 mi
1:11:50
Rank: #13816 (+233)
10K → 15K
23:53 | 7:41/mi
20K· 12.43 mi
1:35:52
Rank: #13493 (+323)
15K → 20K
24:02 | 7:44/mi
Half· 13.11 mi
1:41:06
Rank: #13467 (+26)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:59:58
Rank: #13214 (+253)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:25:02
Rank: #12906 (+308)
25K → 30K
25:04 | 8:04/mi
20M
2:36:21
Rank: #12887 (+19)
30K → 20M
11:19 | 8:20/mi
21M
2:45:24
Rank: #12910 (-23)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:51:32
Rank: #12923 (-13)
21M → 35K
6:08 | 8:12/mi
23M
3:01:57
Rank: #12836 (+87)
35K → 23M
10:25 | 8:19/mi
24M
3:10:05
Rank: #12802 (+34)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:17:08
Rank: #12746 (+56)
24M → 40K
7:03 | 8:15/mi
25.2M
3:20:16
Rank: #12736 (+10)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:28:10
Rank: #12640 (+96)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:47:04
Pace8:10 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1723:567:4223:56
7:42
-
10K
6.21 mi11:21:1847:577:4324:01
7:44
+0:02
15K
9.32 mi11:45:111:11:507:4223:53
7:41
-0:03
20K
12.43 mi12:09:131:35:527:4324:02
7:44
+0:03
Half
13.11 mi12:14:271:41:067:435:14
7:40
-0:04
25K
15.53 mi12:33:191:59:587:4318:52
7:47
+0:07
30K
18.64 mi12:58:232:25:027:4725:04
8:04
+0:17
20M
20.00 mi13:09:422:36:217:4911:19
8:20
+0:16
21M
21.00 mi13:18:452:45:247:539:03
9:03
+0:43
35K
21.75 mi13:24:532:51:327:536:08
8:12
-0:51
23M
23.00 mi13:35:183:01:577:5510:25
8:19
+0:07
24M
24.00 mi13:43:263:10:057:558:08
8:08
-0:11
40K
24.85 mi13:50:293:17:087:567:03
8:15
+0:07
25.2M
25.20 mi13:53:373:20:167:573:08
9:05
+0:50
Finish
26.22 mi14:01:313:28:107:577:54
7:45
-1:20

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

7:40 /mi

Average Pace

7:57 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:59

94% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

12:11

6% of race

Average Pace: 7:56 /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 mi10:57:1723:567:4223:56
7:42
#14013
10K
6.21 mi11:21:1847:577:4324:01
7:44
#14049
15K
9.32 mi11:45:111:11:507:4223:53
7:41
#13816
20K
12.43 mi12:09:131:35:527:4324:02
7:44
#13493
Half
13.11 mi12:14:271:41:067:435:14
7:40
#13467
25K
15.53 mi12:33:191:59:587:4318:52
7:47
#13214
30K
18.64 mi12:58:232:25:027:4725:04
8:04
#12906
20M
20.00 mi13:09:422:36:217:4911:19
8:20
#12887
21M
21.00 mi13:18:452:45:247:539:03
9:03
#12910
35K
21.75 mi13:24:532:51:327:536:08
8:12
#12923
23M
23.00 mi13:35:183:01:577:5510:25
8:19
#12836
24M
24.00 mi13:43:263:10:057:558:08
8:08
#12802
40K
24.85 mi13:50:293:17:087:567:03
8:15
#12746
25.2M
25.20 mi13:53:373:20:167:573:08
9:05
#12736
Finish
26.22 mi14:01:313:28:107:577:54
7:45
#12640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi140133916391613390(Top 47%)3676(Top 30%)3676(Top 214%)
10K6.21 mi3.10 mi14049-363968-523968-5214179(Top 50%)4067(Top 33%)4067(Top 237%)
15K9.32 mi3.11 mi13816+2333858+1103858+11013390(Top 47%)3676(Top 30%)3676(Top 214%)
20K12.43 mi3.11 mi13493+3233725+1333725+13312731(Top 45%)3405(Top 28%)3405(Top 198%)
Half13.11 mi0.68 mi13467+263711+143711+1413218(Top 47%)3618(Top 30%)3618(Top 211%)
25K15.53 mi2.42 mi13214+2533605+1063605+10612211(Top 43%)3232(Top 26%)3232(Top 188%)
30K18.64 mi3.11 mi12906+3083491+1143491+11411886(Top 42%)3239(Top 26%)3239(Top 189%)
20M20.00 mi1.36 mi12887+193521-303521-3012678(Top 45%)3788(Top 31%)3788(Top 220%)
21M21.00 mi1.00 mi12910-233562-413562-4113814(Top 49%)4520(Top 37%)4520(Top 263%)
35K21.75 mi0.75 mi12923-133584-223584-2213635(Top 48%)4482(Top 37%)4482(Top 261%)
23M23.00 mi1.25 mi12836+873573+113573+1112170(Top 43%)3827(Top 31%)3827(Top 223%)
24M24.00 mi1.00 mi12802+343590-173590-1712162(Top 43%)3878(Top 32%)3878(Top 226%)
40K24.85 mi0.85 mi12746+563587+33587+311857(Top 42%)3844(Top 31%)3844(Top 224%)
25.2M25.20 mi0.35 mi12736+103591-43591-412326(Top 43%)4125(Top 34%)4125(Top 240%)
Finish26.22 mi1.02 mi12640+963575+163575+1611125(Top 39%)3523(Top 29%)3523(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13390

Females

3676

F40-44

3676

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14179

Females

4067

F40-44

4067

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13390

Females

3676

F40-44

3676

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12731

Females

3405

F40-44

3405

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13218

Females

3618

F40-44

3618

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12211

Females

3232

F40-44

3232

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11886

Females

3239

F40-44

3239

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12678

Females

3788

F40-44

3788

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13814

Females

4520

F40-44

4520

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13635

Females

4482

F40-44

4482

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12170

Females

3827

F40-44

3827

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12162

Females

3878

F40-44

3878

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11857

Females

3844

F40-44

3844

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12326

Females

4125

F40-44

4125

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11125

Females

3523

F40-44

3523

Passing Analysis

Category:
Athletes Passed
2465
Passed By
1092
Net Change
+1373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14013
5K → 10K242278-36#14013#14049
10K → 15K32087+233#14049#13816
15K → 20K37350+323#13816#13493
20K → Half5125+26#13493#13467
Half → 25K29845+253#13467#13214
25K → 30K39284+308#13214#12906
30K → 20M136117+19#12906#12887
20M → 21M96119-23#12887#12910
21M → 35K4861-13#12910#12923
35K → 23M14760+87#12923#12836
23M → 24M9864+34#12836#12802
24M → 40K10044+56#12802#12746
40K → 25.2M3626+10#12746#12736
25.2M → Finish12832+96#12736#12640
TOTALS24651092+1373
📊

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