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BOSTON MARATHON 2025

Emma Ecklin

Bib: 10850•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #5844
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:55
Rank: #5801 (+43)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:48
Rank: #5607 (+194)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:45
Rank: #5364 (+243)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:28:22
Rank: #5390 (-26)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:43
Rank: #5180 (+210)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:05:48
Rank: #4736 (+444)
25K → 30K
21:05 | 6:47/mi
20M
2:15:05
Rank: #4556 (+180)
30K → 20M
9:17 | 6:50/mi
21M
2:22:09
Rank: #4352 (+204)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:27:10
Rank: #4305 (+47)
21M → 35K
5:01 | 6:42/mi
23M
2:35:44
Rank: #4172 (+133)
35K → 23M
8:34 | 6:51/mi
24M
2:42:28
Rank: #4087 (+85)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:48:17
Rank: #4008 (+79)
24M → 40K
5:49 | 6:48/mi
25.2M
2:50:50
Rank: #3978 (+30)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:57:22
Rank: #3851 (+127)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:22
Pace6:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:00
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2320:576:4520:57
6:45
-
10K
6.21 mi11:08:2141:556:4520:58
6:45
0:00
15K
9.32 mi11:29:141:02:486:4420:53
6:43
-0:02
20K
12.43 mi11:50:111:23:456:4420:57
6:45
+0:02
Half
13.11 mi11:54:481:28:226:444:37
6:46
+0:01
25K
15.53 mi12:11:091:44:436:4416:21
6:45
-0:01
30K
18.64 mi12:32:142:05:486:4521:05
6:47
+0:02
20M
20.00 mi12:41:312:15:056:459:17
6:50
+0:03
21M
21.00 mi12:48:352:22:096:467:04
7:04
+0:14
35K
21.75 mi12:53:362:27:106:465:01
6:42
-0:22
23M
23.00 mi13:02:102:35:446:468:34
6:51
+0:09
24M
24.00 mi13:08:542:42:286:466:44
6:44
-0:07
40K
24.85 mi13:14:432:48:176:465:49
6:48
+0:04
25.2M
25.20 mi13:17:162:50:506:472:33
7:24
+0:36
Finish
26.22 mi13:23:482:57:226:466:32
6:25
-0:59

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

6:25 /mi

Average Pace

6:46 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:45

95% of race

Time at Steady Pace

9:37

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 mi10:47:2320:576:4520:57
6:45
#5844
10K
6.21 mi11:08:2141:556:4520:58
6:45
#5801
15K
9.32 mi11:29:141:02:486:4420:53
6:43
#5607
20K
12.43 mi11:50:111:23:456:4420:57
6:45
#5364
Half
13.11 mi11:54:481:28:226:444:37
6:46
#5390
25K
15.53 mi12:11:091:44:436:4416:21
6:45
#5180
30K
18.64 mi12:32:142:05:486:4521:05
6:47
#4736
20M
20.00 mi12:41:312:15:056:459:17
6:50
#4556
21M
21.00 mi12:48:352:22:096:467:04
7:04
#4352
35K
21.75 mi12:53:362:27:106:465:01
6:42
#4305
23M
23.00 mi13:02:102:35:446:468:34
6:51
#4172
24M
24.00 mi13:08:542:42:286:466:44
6:44
#4087
40K
24.85 mi13:14:432:48:176:465:49
6:48
#4008
25.2M
25.20 mi13:17:162:50:506:472:33
7:24
#3978
Finish
26.22 mi13:23:482:57:226:466:32
6:25
#3851
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi58444454455305(Top 19%)392(Top 3%)392(Top 7%)
10K6.21 mi3.10 mi5801+43444+1444+15848(Top 21%)481(Top 4%)481(Top 9%)
15K9.32 mi3.11 mi5607+194426+18426+185305(Top 19%)392(Top 3%)392(Top 7%)
20K12.43 mi3.11 mi5364+243392+34392+344810(Top 17%)348(Top 3%)348(Top 6%)
Half13.11 mi0.68 mi5390-26397-5397-55904(Top 21%)502(Top 4%)502(Top 9%)
25K15.53 mi2.42 mi5180+210372+25372+254455(Top 16%)319(Top 3%)319(Top 6%)
30K18.64 mi3.11 mi4736+444335+37335+373372(Top 12%)215(Top 2%)215(Top 4%)
20M20.00 mi1.36 mi4556+180318+17318+173148(Top 11%)220(Top 2%)220(Top 4%)
21M21.00 mi1.00 mi4352+204297+21297+212567(Top 9%)168(Top 1%)168(Top 3%)
35K21.75 mi0.75 mi4305+47293+4293+43606(Top 13%)330(Top 3%)330(Top 6%)
23M23.00 mi1.25 mi4172+133286+7286+72944(Top 10%)242(Top 2%)242(Top 4%)
24M24.00 mi1.00 mi4087+85282+4282+43172(Top 11%)298(Top 2%)298(Top 5%)
40K24.85 mi0.85 mi4008+79279+3279+32897(Top 10%)269(Top 2%)269(Top 5%)
25.2M25.20 mi0.35 mi3978+302792793014(Top 11%)317(Top 3%)317(Top 6%)
Finish26.22 mi1.02 mi3851+127273+6273+62398(Top 8%)204(Top 2%)204(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5305

Females

392

F18-39

392

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5848

Females

481

F18-39

481

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5305

Females

392

F18-39

392

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4810

Females

348

F18-39

348

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5904

Females

502

F18-39

502

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4455

Females

319

F18-39

319

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3372

Females

215

F18-39

215

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3148

Females

220

F18-39

220

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2567

Females

168

F18-39

168

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3606

Females

330

F18-39

330

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2944

Females

242

F18-39

242

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3172

Females

298

F18-39

298

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2897

Females

269

F18-39

269

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3014

Females

317

F18-39

317

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2398

Females

204

F18-39

204

Passing Analysis

Category:
Athletes Passed
2357
Passed By
364
Net Change
+1993
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5844
5K → 10K197154+43#5844#5801
10K → 15K23743+194#5801#5607
15K → 20K26522+243#5607#5364
20K → Half1945-26#5364#5390
Half → 25K23424+210#5390#5180
25K → 30K4528+444#5180#4736
30K → 20M1855+180#4736#4556
20M → 21M2073+204#4556#4352
21M → 35K6619+47#4352#4305
35K → 23M14411+133#4305#4172
23M → 24M916+85#4172#4087
24M → 40K856+79#4087#4008
40K → 25.2M399+30#4008#3978
25.2M → Finish1369+127#3978#3851
TOTALS2357364+1993
📊

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