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BOSTON MARATHON 2025

Edward O'Brien-Curcie

Bib: 877•M

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0:00
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:24
Rank: #306
Start → 5K
17:24 | 5:36/mi
10K· 6.21 mi
34:53
Rank: #311 (-5)
5K → 10K
17:29 | 5:38/mi
15K· 9.32 mi
52:28
Rank: #304 (+7)
10K → 15K
17:35 | 5:40/mi
20K· 12.43 mi
1:10:37
Rank: #354 (-50)
15K → 20K
18:09 | 5:51/mi
Half· 13.11 mi
1:14:35
Rank: #368 (-14)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:29:24
Rank: #432 (-64)
Half → 25K
14:49 | 6:07/mi
30K· 18.64 mi
1:50:36
Rank: #672 (-240)
25K → 30K
21:12 | 6:49/mi
20M
2:00:35
Rank: #835 (-163)
30K → 20M
9:59 | 7:21/mi
21M
2:08:43
Rank: #1030 (-195)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:14:08
Rank: #1155 (-125)
21M → 35K
5:25 | 7:14/mi
23M
2:23:28
Rank: #1305 (-150)
35K → 23M
9:20 | 7:27/mi
24M
2:30:53
Rank: #1454 (-149)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
2:37:27
Rank: #1607 (-153)
24M → 40K
6:34 | 7:41/mi
25.2M
2:42:07
Rank: #2009 (-402)
40K → 25.2M
4:40 | 13:32/mi
Finish· 26.22 mi
2:50:03
Rank: #2276 (-267)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:35
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:35:28
Pace7:17 /mi
📊Positive Split: 28.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4517:245:3617:24
5:36
-
10K
6.21 mi10:35:1434:535:3717:29
5:38
+0:02
15K
9.32 mi10:52:4952:285:3817:35
5:40
+0:02
20K
12.43 mi11:10:581:10:375:4118:09
5:51
+0:11
Half
13.11 mi11:14:561:14:355:413:58
5:49
-0:02
25K
15.53 mi11:29:451:29:245:4514:49
6:07
+0:18
30K
18.64 mi11:50:571:50:365:5621:12
6:49
+0:42
20M
20.00 mi12:00:562:00:356:029:59
7:21
+0:32
21M
21.00 mi12:09:042:08:436:088:08
8:08
+0:47
35K
21.75 mi12:14:292:14:086:105:25
7:14
-0:54
23M
23.00 mi12:23:492:23:286:149:20
7:27
+0:13
24M
24.00 mi12:31:142:30:536:177:25
7:25
-0:02
40K
24.85 mi12:37:482:37:276:206:34
7:41
+0:16
25.2M
25.20 mi12:42:282:42:076:264:40
13:32
+5:51
Finish
26.22 mi12:50:242:50:036:297:56
7:47
-5:45

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

5:36 /mi

Average Pace

6:29 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:24

53% of race

Time at Steady Pace

1:15:59

45% of race

Time at Slower Pace

4:40

3% of race

Average Pace: 6:29 /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 mi10:17:4517:245:3617:24
5:36
#306
10K
6.21 mi10:35:1434:535:3717:29
5:38
#311
15K
9.32 mi10:52:4952:285:3817:35
5:40
#304
20K
12.43 mi11:10:581:10:375:4118:09
5:51
#354
Half
13.11 mi11:14:561:14:355:413:58
5:49
#368
25K
15.53 mi11:29:451:29:245:4514:49
6:07
#432
30K
18.64 mi11:50:571:50:365:5621:12
6:49
#672
20M
20.00 mi12:00:562:00:356:029:59
7:21
#835
21M
21.00 mi12:09:042:08:436:088:08
8:08
#1030
35K
21.75 mi12:14:292:14:086:105:25
7:14
#1155
23M
23.00 mi12:23:492:23:286:149:20
7:27
#1305
24M
24.00 mi12:31:142:30:536:177:25
7:25
#1454
40K
24.85 mi12:37:482:37:276:206:34
7:41
#1607
25.2M
25.20 mi12:42:282:42:076:264:40
13:32
#2009
Finish
26.22 mi12:50:242:50:036:297:56
7:47
#2276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi306277277323(Top 1%)295(Top 2%)295(Top 5%)
10K6.21 mi3.10 mi311-5282-5282-5330(Top 1%)301(Top 2%)301(Top 5%)
15K9.32 mi3.11 mi304+7275+7275+7323(Top 1%)295(Top 2%)295(Top 5%)
20K12.43 mi3.11 mi354-50325-50325-50503(Top 2%)465(Top 3%)465(Top 8%)
Half13.11 mi0.68 mi368-14339-14339-14633(Top 2%)594(Top 4%)594(Top 11%)
25K15.53 mi2.42 mi432-64398-59398-591139(Top 4%)1075(Top 7%)1075(Top 19%)
30K18.64 mi3.11 mi672-240625-227625-2273574(Top 13%)3311(Top 21%)3311(Top 59%)
20M20.00 mi1.36 mi835-163784-159784-1596033(Top 21%)5214(Top 32%)5214(Top 92%)
21M21.00 mi1.00 mi1030-195970-186970-1868107(Top 29%)6300(Top 39%)6300(Top 112%)
35K21.75 mi0.75 mi1155-1251088-1181088-1186805(Top 24%)5564(Top 35%)5564(Top 99%)
23M23.00 mi1.25 mi1305-1501229-1411229-1416337(Top 22%)5168(Top 32%)5168(Top 92%)
24M24.00 mi1.00 mi1454-1491374-1451374-1457095(Top 25%)5570(Top 35%)5570(Top 99%)
40K24.85 mi0.85 mi1607-1531522-1481522-1487895(Top 28%)5915(Top 37%)5915(Top 105%)
25.2M25.20 mi0.35 mi2009-4021905-3831905-38325702(Top 90%)14584(Top 91%)14584(Top 258%)
Finish26.22 mi1.02 mi2276-2672160-2552160-25511275(Top 40%)7634(Top 47%)7634(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

323

Males

295

M18-39

295

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

330

Males

301

M18-39

301

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

323

Males

295

M18-39

295

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

503

Males

465

M18-39

465

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

633

Males

594

M18-39

594

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1139

Males

1075

M18-39

1075

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3574

Males

3311

M18-39

3311

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6033

Males

5214

M18-39

5214

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8107

Males

6300

M18-39

6300

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6805

Males

5564

M18-39

5564

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6337

Males

5168

M18-39

5168

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7095

Males

5570

M18-39

5570

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7895

Males

5915

M18-39

5915

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25702

Males

14584

M18-39

14584

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11275

Males

7634

M18-39

7634

Passing Analysis

Category:
Athletes Passed
71
Passed By
2041
Net Change
-1970
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#306
5K → 10K1318-5#306#311
10K → 15K1710+7#311#304
15K → 20K555-50#304#354
20K → Half014-14#354#368
Half → 25K367-64#368#432
25K → 30K3243-240#432#672
30K → 20M1164-163#672#835
20M → 21M2197-195#835#1030
21M → 35K3128-125#1030#1155
35K → 23M14164-150#1155#1305
23M → 24M3152-149#1305#1454
24M → 40K5158-153#1454#1607
40K → 25.2M0402-402#1607#2009
25.2M → Finish2269-267#2009#2276
TOTALS712041-1970
📊

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