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BOSTON MARATHON 2025

Curt Oconnor

Bib: 12884•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M55-59)
#0 / 1648
Top 17%
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
22:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
46:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:03
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:33:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:38:33
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:56:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:20:38
↑ 181↓ 1480.2%
20M
7:45/mi
2:31:10
↑ 64↓ 500.2%
21M
8:06/mi
2:39:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:44:40
↑ 17↓ 861.7%
23M
7:28/mi
2:54:01
↑ 23↓ 630.6%
24M
7:21/mi
3:01:22
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:07:45
↓ 200.3%
25.2M
8:16/mi
3:10:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:18:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:33
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:39:41
Pace7:36 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3322:547:2222:54
7:22
-
10K
6.21 mi11:14:2046:417:3123:47
7:39
+0:17
15K
9.32 mi11:37:421:10:037:3123:22
7:31
-0:08
20K
12.43 mi12:01:101:33:317:3223:28
7:33
+0:02
Half
13.11 mi12:06:121:38:337:315:02
7:23
-0:10
25K
15.53 mi12:24:191:56:407:3118:07
7:28
+0:05
30K
18.64 mi12:48:172:20:387:3323:58
7:43
+0:15
20M
20.00 mi12:58:492:31:107:3310:32
7:45
+0:02
21M
21.00 mi13:06:552:39:167:358:06
8:06
+0:21
35K
21.75 mi13:12:192:44:407:345:24
7:13
-0:53
23M
23.00 mi13:21:402:54:017:349:21
7:28
+0:15
24M
24.00 mi13:29:013:01:227:337:21
7:21
-0:07
40K
24.85 mi13:35:243:07:457:336:23
7:28
+0:07
25.2M
25.20 mi13:38:153:10:367:342:51
8:16
+0:48
Finish
26.22 mi13:45:533:18:147:347:38
7:29
-0:47

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

7:13 /mi

Average Pace

7:34 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:17

94% of race

Time at Steady Pace

10:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:50:3322:547:2222:54
7:22
#11039
10K
6.21 mi11:14:2046:417:3123:47
7:39
#12240
15K
9.32 mi11:37:421:10:037:3123:22
7:31
#12120
20K
12.43 mi12:01:101:33:317:3223:28
7:33
#11848
Half
13.11 mi12:06:121:38:337:315:02
7:23
#11781
25K
15.53 mi12:24:191:56:407:3118:07
7:28
#11419
30K
18.64 mi12:48:172:20:387:3323:58
7:43
#10980
20M
20.00 mi12:58:492:31:107:3310:32
7:45
#10755
21M
21.00 mi13:06:552:39:167:358:06
8:06
#10555
35K
21.75 mi13:12:192:44:407:345:24
7:13
#10379
23M
23.00 mi13:21:402:54:017:349:21
7:28
#10057
24M
24.00 mi13:29:013:01:227:337:21
7:21
#9849
40K
24.85 mi13:35:243:07:457:336:23
7:28
#9699
25.2M
25.20 mi13:38:153:10:367:342:51
8:16
#9628
Finish
26.22 mi13:45:533:18:147:347:38
7:29
#9594
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi110398707870711927(Top 42%)9027(Top 56%)9027(Top 548%)
10K6.21 mi3.10 mi12240-12019271-5649271-56413483(Top 47%)9785(Top 61%)9785(Top 594%)
15K9.32 mi3.11 mi12120+1209179+929179+9211927(Top 42%)9027(Top 56%)9027(Top 548%)
20K12.43 mi3.11 mi11848+2729029+1509029+15011178(Top 39%)8573(Top 53%)8573(Top 520%)
Half13.11 mi0.68 mi11781+678988+418988+4110614(Top 37%)8336(Top 52%)8336(Top 506%)
25K15.53 mi2.42 mi11419+3628786+2028786+2029716(Top 34%)7710(Top 48%)7710(Top 468%)
30K18.64 mi3.11 mi10980+4398491+2958491+2959278(Top 33%)7301(Top 45%)7301(Top 443%)
20M20.00 mi1.36 mi10755+2258339+1528339+1528715(Top 31%)6856(Top 43%)6856(Top 416%)
21M21.00 mi1.00 mi10555+2008208+1318208+1317947(Top 28%)6229(Top 39%)6229(Top 378%)
35K21.75 mi0.75 mi10379+1768100+1088100+1086740(Top 24%)5559(Top 35%)5559(Top 337%)
23M23.00 mi1.25 mi10057+3227896+2047896+2046456(Top 23%)5269(Top 33%)5269(Top 320%)
24M24.00 mi1.00 mi9849+2087761+1357761+1356722(Top 24%)5369(Top 33%)5369(Top 326%)
40K24.85 mi0.85 mi9699+1507647+1147647+1146607(Top 23%)5214(Top 32%)5214(Top 316%)
25.2M25.20 mi0.35 mi9628+717588+597588+597439(Top 26%)5604(Top 35%)5604(Top 340%)
Finish26.22 mi1.02 mi9594+347527+617527+619101(Top 32%)6495(Top 40%)6495(Top 394%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11927

Males

9027

M55-59

9027

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13483

Males

9785

M55-59

9785

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11927

Males

9027

M55-59

9027

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11178

Males

8573

M55-59

8573

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10614

Males

8336

M55-59

8336

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9716

Males

7710

M55-59

7710

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9278

Males

7301

M55-59

7301

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8715

Males

6856

M55-59

6856

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7947

Males

6229

M55-59

6229

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6740

Males

5559

M55-59

5559

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6456

Males

5269

M55-59

5269

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6722

Males

5369

M55-59

5369

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6607

Males

5214

M55-59

5214

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7439

Males

5604

M55-59

5604

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9101

Males

6495

M55-59

6495

Passing Analysis

Category:
Athletes Passed
3052*
Passed By
1607
Net Change
+1445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11039
5K → 10K291230-1201#11039#12240
10K → 15K250130+120#12240#12120
15K → 20K33664+272#12120#11848
20K → Half758+67#11848#11781
Half → 25K37816+362#11781#11419
25K → 30K48142+439#11419#10980
30K → 20M24621+225#10980#10755
20M → 21M21313+200#10755#10555
21M → 35K1793+176#10555#10379
35K → 23M3242+322#10379#10057
23M → 24M214*6+208#10057#9849
24M → 40K16010+150#9849#9699
40K → 25.2M765+71#9699#9628
25.2M → Finish9157+34#9628#9594
TOTALS3052*1607+1445

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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