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BOSTON MARATHON 2025

Katrin O'Grady

Bib: 17661•F

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 43%
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
7:43/mi
24:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:12:49
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:37:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:42:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
2:01:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:27:39
↑ 181↓ 1480.2%
20M
7:52/mi
2:38:20
↑ 64↓ 500.2%
21M
8:11/mi
2:46:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:52:10
↑ 17↓ 861.7%
23M
7:37/mi
3:01:42
↑ 23↓ 630.6%
24M
7:31/mi
3:09:13
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:15:37
↓ 200.3%
25.2M
7:50/mi
3:18:19
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
3:25:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:37
Pace7:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:45
Pace7:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0824:007:4324:00
7:43
-
10K
6.21 mi11:38:3248:247:4724:24
7:51
+0:08
15K
9.32 mi12:02:571:12:497:4924:25
7:52
+0:01
20K
12.43 mi12:27:271:37:197:5024:30
7:53
+0:01
Half
13.11 mi12:32:451:42:377:505:18
7:46
-0:07
25K
15.53 mi12:51:542:01:467:5019:09
7:54
+0:08
30K
18.64 mi13:17:472:27:397:5525:53
8:20
+0:26
20M
20.00 mi13:28:282:38:207:5510:41
7:52
-0:28
21M
21.00 mi13:36:392:46:317:568:11
8:11
+0:19
35K
21.75 mi13:42:182:52:107:555:39
7:33
-0:38
23M
23.00 mi13:51:503:01:427:549:32
7:37
+0:04
24M
24.00 mi13:59:213:09:137:537:31
7:31
-0:06
40K
24.85 mi14:05:453:15:377:526:24
7:29
-0:02
25.2M
25.20 mi14:08:273:18:197:522:42
7:50
+0:21
Finish
26.22 mi14:15:303:25:227:507:03
6:55
-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

6:55 /mi

Average Pace

7:50 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:09

18% of race

Time at Steady Pace

2:15:09

66% of race

Time at Slower Pace

34:04

17% of race

Average Pace: 7:50 /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 mi11:14:0824:007:4324:00
7:43
#14185
10K
6.21 mi11:38:3248:247:4724:24
7:51
#14680
15K
9.32 mi12:02:571:12:497:4924:25
7:52
#14739
20K
12.43 mi12:27:271:37:197:5024:30
7:53
#14497
Half
13.11 mi12:32:451:42:377:505:18
7:46
#14453
25K
15.53 mi12:51:542:01:467:5019:09
7:54
#14208
30K
18.64 mi13:17:472:27:397:5525:53
8:20
#14048
20M
20.00 mi13:28:282:38:207:5510:41
7:52
#13646
21M
21.00 mi13:36:392:46:317:568:11
8:11
#13317
35K
21.75 mi13:42:182:52:107:555:39
7:33
#13145
23M
23.00 mi13:51:503:01:427:549:32
7:37
#12762
24M
24.00 mi13:59:213:09:137:537:31
7:31
#12513
40K
24.85 mi14:05:453:15:377:526:24
7:29
#12269
25.2M
25.20 mi14:08:273:18:197:522:42
7:50
#12119
Finish
26.22 mi14:15:303:25:227:507:03
6:55
#11797
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi141854021402114890(Top 52%)4517(Top 37%)4517(Top 83%)
10K6.21 mi3.10 mi14680-4954351-3304351-33015288(Top 54%)4708(Top 39%)4708(Top 86%)
15K9.32 mi3.11 mi14739-594394-434394-4314890(Top 52%)4517(Top 37%)4517(Top 83%)
20K12.43 mi3.11 mi14497+2424285+1094285+10913970(Top 49%)4076(Top 33%)4076(Top 75%)
Half13.11 mi0.68 mi14453+444268+174268+1714001(Top 49%)4034(Top 33%)4034(Top 74%)
25K15.53 mi2.42 mi14208+2454162+1064162+10613082(Top 46%)3711(Top 30%)3711(Top 68%)
30K18.64 mi3.11 mi14048+1604132+304132+3013693(Top 48%)4193(Top 34%)4193(Top 77%)
20M20.00 mi1.36 mi13646+4023933+1993933+1999496(Top 33%)2221(Top 18%)2221(Top 41%)
21M21.00 mi1.00 mi13317+3293785+1483785+1488528(Top 30%)1963(Top 16%)1963(Top 36%)
35K21.75 mi0.75 mi13145+1723704+813704+819079(Top 32%)2173(Top 18%)2173(Top 40%)
23M23.00 mi1.25 mi12762+3833533+1713533+1717377(Top 26%)1576(Top 13%)1576(Top 29%)
24M24.00 mi1.00 mi12513+2493427+1063427+1067881(Top 28%)1830(Top 15%)1830(Top 33%)
40K24.85 mi0.85 mi12269+2443341+863341+866787(Top 24%)1474(Top 12%)1474(Top 27%)
25.2M25.20 mi0.35 mi12119+1503282+593282+595157(Top 18%)955(Top 8%)955(Top 17%)
Finish26.22 mi1.02 mi11797+3223152+1303152+1305263(Top 19%)967(Top 8%)967(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14890

Females

4517

F18-39

4517

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15288

Females

4708

F18-39

4708

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14890

Females

4517

F18-39

4517

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13970

Females

4076

F18-39

4076

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14001

Females

4034

F18-39

4034

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13082

Females

3711

F18-39

3711

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13693

Females

4193

F18-39

4193

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9496

Females

2221

F18-39

2221

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8528

Females

1963

F18-39

1963

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9079

Females

2173

F18-39

2173

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7377

Females

1576

F18-39

1576

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7881

Females

1830

F18-39

1830

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6787

Females

1474

F18-39

1474

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5157

Females

955

F18-39

955

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5263

Females

967

F18-39

967

Passing Analysis

Category:
Athletes Passed
3581
Passed By
1193
Net Change
+2388
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14185
5K → 10K140635-495#14185#14680
10K → 15K171230-59#14680#14739
15K → 20K32179+242#14739#14497
20K → Half6117+44#14497#14453
Half → 25K29348+245#14453#14208
25K → 30K332172+160#14208#14048
30K → 20M4020+402#14048#13646
20M → 21M3312+329#13646#13317
21M → 35K1742+172#13317#13145
35K → 23M3830+383#13145#12762
23M → 24M2556+249#12762#12513
24M → 40K2440+244#12513#12269
40K → 25.2M1511+150#12269#12119
25.2M → Finish3231+322#12119#11797
TOTALS35811193+2388
📊

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