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BOSTON MARATHON 2025

Emily Sundquist

Bib: 10598•X

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Other)
#0 / 71
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #6832
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:14
Rank: #6249 (+583)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:02
Rank: #5831 (+418)
10K → 15K
20:48 | 6:42/mi
20K· 12.43 mi
1:23:58
Rank: #5527 (+304)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:28:25
Rank: #5423 (+104)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:44:46
Rank: #5213 (+210)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:05:34
Rank: #4614 (+599)
25K → 30K
20:48 | 6:42/mi
20M
2:14:52
Rank: #4452 (+162)
30K → 20M
9:18 | 6:51/mi
21M
2:22:01
Rank: #4290 (+162)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:27:00
Rank: #4231 (+59)
21M → 35K
4:59 | 6:40/mi
23M
2:35:42
Rank: #4154 (+77)
35K → 23M
8:42 | 6:57/mi
24M
2:42:25
Rank: #4071 (+83)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:48:15
Rank: #3996 (+75)
24M → 40K
5:50 | 6:49/mi
25.2M
2:50:47
Rank: #3959 (+37)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:57:20
Rank: #3833 (+126)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:55
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3421:216:5221:21
6:52
-
10K
6.21 mi11:08:2742:146:4820:53
6:43
-0:09
15K
9.32 mi11:29:151:03:026:4620:48
6:42
-0:01
20K
12.43 mi11:50:111:23:586:4520:56
6:44
+0:02
Half
13.11 mi11:54:381:28:256:454:27
6:31
-0:13
25K
15.53 mi12:10:591:44:466:4516:21
6:45
+0:14
30K
18.64 mi12:31:472:05:346:4420:48
6:42
-0:03
20M
20.00 mi12:41:052:14:526:459:18
6:51
+0:09
21M
21.00 mi12:48:142:22:016:467:09
7:09
+0:18
35K
21.75 mi12:53:132:27:006:464:59
6:40
-0:29
23M
23.00 mi13:01:552:35:426:468:42
6:57
+0:17
24M
24.00 mi13:08:382:42:256:466:43
6:43
-0:14
40K
24.85 mi13:14:282:48:156:465:50
6:49
+0:06
25.2M
25.20 mi13:17:002:50:476:472:32
7:21
+0:32
Finish
26.22 mi13:23:332:57:206:466:33
6:26
-0:55

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

6:26 /mi

Average Pace

6:46 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:39

95% of race

Time at Steady Pace

9:41

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:47:3421:216:5221:21
6:52
#6832
10K
6.21 mi11:08:2742:146:4820:53
6:43
#6249
15K
9.32 mi11:29:151:03:026:4620:48
6:42
#5831
20K
12.43 mi11:50:111:23:586:4520:56
6:44
#5527
Half
13.11 mi11:54:381:28:256:454:27
6:31
#5423
25K
15.53 mi12:10:591:44:466:4516:21
6:45
#5213
30K
18.64 mi12:31:472:05:346:4420:48
6:42
#4614
20M
20.00 mi12:41:052:14:526:459:18
6:51
#4452
21M
21.00 mi12:48:142:22:016:467:09
7:09
#4290
35K
21.75 mi12:53:132:27:006:464:59
6:40
#4231
23M
23.00 mi13:01:552:35:426:468:42
6:57
#4154
24M
24.00 mi13:08:382:42:256:466:43
6:43
#4071
40K
24.85 mi13:14:282:48:156:465:50
6:49
#3996
25.2M
25.20 mi13:17:002:50:476:472:32
7:21
#3959
Finish
26.22 mi13:23:332:57:206:466:33
6:26
#3833
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi683213135002(Top 18%)10(Top 14%)10
10K6.21 mi3.10 mi6249+58313135512(Top 19%)12(Top 17%)12
15K9.32 mi3.11 mi5831+41813135002(Top 18%)10(Top 14%)10
20K12.43 mi3.11 mi5527+30411+211+24743(Top 17%)11(Top 15%)11
Half13.11 mi0.68 mi5423+10411113743(Top 13%)11(Top 15%)11
25K15.53 mi2.42 mi5213+21011114406(Top 16%)13(Top 18%)13
30K18.64 mi3.11 mi4614+59911112853(Top 10%)9(Top 13%)9
20M20.00 mi1.36 mi4452+16211113153(Top 11%)11(Top 15%)11
21M21.00 mi1.00 mi4290+16211112862(Top 10%)11(Top 15%)11
35K21.75 mi0.75 mi4231+5911113225(Top 11%)11(Top 15%)11
23M23.00 mi1.25 mi4154+7711113435(Top 12%)10(Top 14%)10
24M24.00 mi1.00 mi4071+8311113024(Top 11%)11(Top 15%)11
40K24.85 mi0.85 mi3996+7511112910(Top 10%)11(Top 15%)11
25.2M25.20 mi0.35 mi3959+3711112627(Top 9%)11(Top 15%)11
Finish26.22 mi1.02 mi3833+12611112408(Top 8%)10(Top 14%)10

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5002

X

10

Age Div

10

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5512

X

12

Age Div

12

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5002

X

10

Age Div

10

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4743

X

11

Age Div

11

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3743

X

11

Age Div

11

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4406

X

13

Age Div

13

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2853

X

9

Age Div

9

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3153

X

11

Age Div

11

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2862

X

11

Age Div

11

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3225

X

11

Age Div

11

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3435

X

10

Age Div

10

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3024

X

11

Age Div

11

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2910

X

11

Age Div

11

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2627

X

11

Age Div

11

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2408

X

10

Age Div

10

Passing Analysis

Category:
Athletes Passed
3179
Passed By
180
Net Change
+2999
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6832
5K → 10K60522+583#6832#6249
10K → 15K43113+418#6249#5831
15K → 20K32521+304#5831#5527
20K → Half1062+104#5527#5423
Half → 25K22919+210#5423#5213
25K → 30K6012+599#5213#4614
30K → 20M1719+162#4614#4452
20M → 21M17210+162#4452#4290
21M → 35K7718+59#4290#4231
35K → 23M10932+77#4231#4154
23M → 24M918+83#4154#4071
24M → 40K849+75#4071#3996
40K → 25.2M425+37#3996#3959
25.2M → Finish13610+126#3959#3833
TOTALS3179180+2999
📊

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