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BOSTON MARATHON 2025

Molly Oconnor

Bib: 14041•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
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
7:16/mi
22:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
44:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:08:06
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:32:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:37:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
1:56:48
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:21:27
↑ 181↓ 1480.2%
20M
7:56/mi
2:32:14
↑ 64↓ 500.2%
21M
8:20/mi
2:40:34
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:46:15
↑ 17↓ 861.7%
23M
8:01/mi
2:56:17
↑ 23↓ 630.6%
24M
7:47/mi
3:04:04
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:10:49
↓ 200.3%
25.2M
8:30/mi
3:13:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:21:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:23
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:43:56
Pace7:56 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0022:347:1622:34
7:16
-
10K
6.21 mi11:16:2444:587:1422:24
7:13
-0:03
15K
9.32 mi11:39:321:08:067:1823:08
7:27
+0:14
20K
12.43 mi12:03:351:32:097:2524:03
7:44
+0:17
Half
13.11 mi12:08:491:37:237:265:14
7:40
-0:04
25K
15.53 mi12:28:141:56:487:3119:25
8:00
+0:20
30K
18.64 mi12:52:532:21:277:3524:39
7:56
-0:04
20M
20.00 mi13:03:402:32:147:3710:47
7:56
0:00
21M
21.00 mi13:12:002:40:347:398:20
8:20
+0:24
35K
21.75 mi13:17:412:46:157:395:41
7:36
-0:44
23M
23.00 mi13:27:432:56:177:4010:02
8:01
+0:25
24M
24.00 mi13:35:303:04:047:407:47
7:47
-0:14
40K
24.85 mi13:42:153:10:497:416:45
7:54
+0:07
25.2M
25.20 mi13:45:113:13:457:412:56
8:30
+0:36
Finish
26.22 mi13:52:453:21:197:417:34
7:26
-1:04

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

7:41 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:36

80% of race

Time at Steady Pace

40:43

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi10:54:0022:347:1622:34
7:16
#10026
10K
6.21 mi11:16:2444:587:1422:24
7:13
#9781
15K
9.32 mi11:39:321:08:067:1823:08
7:27
#10274
20K
12.43 mi12:03:351:32:097:2524:03
7:44
#10888
Half
13.11 mi12:08:491:37:237:265:14
7:40
#11019
25K
15.53 mi12:28:141:56:487:3119:25
8:00
#11492
30K
18.64 mi12:52:532:21:277:3524:39
7:56
#11342
20M
20.00 mi13:03:402:32:147:3710:47
7:56
#11185
21M
21.00 mi13:12:002:40:347:398:20
8:20
#11042
35K
21.75 mi13:17:412:46:157:395:41
7:36
#10960
23M
23.00 mi13:27:432:56:177:4010:02
8:01
#10855
24M
24.00 mi13:35:303:04:047:407:47
7:47
#10769
40K
24.85 mi13:42:153:10:497:416:45
7:54
#10693
25.2M
25.20 mi13:45:113:13:457:412:56
8:30
#10643
Finish
26.22 mi13:52:453:21:197:417:34
7:26
#10529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi100261821182111305(Top 40%)2532(Top 21%)2532(Top 46%)
10K6.21 mi3.10 mi9781+2451705+1161705+1169601(Top 34%)1646(Top 13%)1646(Top 30%)
15K9.32 mi3.11 mi10274-4931962-2571962-25711305(Top 40%)2532(Top 21%)2532(Top 46%)
20K12.43 mi3.11 mi10888-6142282-3202282-32012765(Top 45%)3414(Top 28%)3414(Top 62%)
Half13.11 mi0.68 mi11019-1312348-662348-6613169(Top 46%)3569(Top 29%)3569(Top 65%)
25K15.53 mi2.42 mi11492-4732646-2982646-29813956(Top 49%)4178(Top 34%)4178(Top 76%)
30K18.64 mi3.11 mi11342+1502646264610911(Top 38%)2730(Top 22%)2730(Top 50%)
20M20.00 mi1.36 mi11185+1572602+442602+4410033(Top 35%)2449(Top 20%)2449(Top 45%)
21M21.00 mi1.00 mi11042+1432563+392563+399461(Top 33%)2357(Top 19%)2357(Top 43%)
35K21.75 mi0.75 mi10960+822552+112552+119368(Top 33%)2309(Top 19%)2309(Top 42%)
23M23.00 mi1.25 mi10855+1052536+162536+1610143(Top 36%)2810(Top 23%)2810(Top 51%)
24M24.00 mi1.00 mi10769+862531+52531+59716(Top 34%)2670(Top 22%)2670(Top 49%)
40K24.85 mi0.85 mi10693+762523+82523+89457(Top 33%)2658(Top 22%)2658(Top 49%)
25.2M25.20 mi0.35 mi10643+502509+142509+148892(Top 31%)2476(Top 20%)2476(Top 45%)
Finish26.22 mi1.02 mi10529+1142489+202489+208700(Top 31%)2391(Top 20%)2391(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11305

Females

2532

F18-39

2532

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9601

Females

1646

F18-39

1646

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11305

Females

2532

F18-39

2532

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12765

Females

3414

F18-39

3414

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13169

Females

3569

F18-39

3569

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13956

Females

4178

F18-39

4178

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10911

Females

2730

F18-39

2730

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

10033

Females

2449

F18-39

2449

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9461

Females

2357

F18-39

2357

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9368

Females

2309

F18-39

2309

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10143

Females

2810

F18-39

2810

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9716

Females

2670

F18-39

2670

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9457

Females

2658

F18-39

2658

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8892

Females

2476

F18-39

2476

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8700

Females

2391

F18-39

2391

Passing Analysis

Category:
Athletes Passed
1916
Passed By
2416
Net Change
-503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10026
5K → 10K373128+245#10026#9781
10K → 15K60551-493#9781#10274
15K → 20K53666-614#10274#10888
20K → Half8139-131#10888#11019
Half → 25K71544-473#11019#11492
25K → 30K293143+150#11492#11342
30K → 20M19235+157#11342#11185
20M → 21M18138+143#11185#11042
21M → 35K9816+82#11042#10960
35K → 23M16055+105#10960#10855
23M → 24M11731+86#10855#10769
24M → 40K10731+76#10769#10693
40K → 25.2M6717+50#10693#10643
25.2M → Finish13622+114#10643#10529
TOTALS19162416-503
📊

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