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BOSTON MARATHON 2025

Tiffany O'Connor

Bib: 26041•F

MA

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

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
31:58
Rank: #26283
Start → 5K
31:58 | 10:17/mi
10K· 6.21 mi
1:03:15
Rank: #25875 (+408)
5K → 10K
31:17 | 10:04/mi
15K· 9.32 mi
1:34:41
Rank: #25634 (+241)
10K → 15K
31:26 | 10:07/mi
20K· 12.43 mi
2:06:15
Rank: #25354 (+280)
15K → 20K
31:34 | 10:10/mi
Half· 13.11 mi
2:13:03
Rank: #25316 (+38)
20K → Half
6:48 | 9:58/mi
25K· 15.53 mi
2:38:31
Rank: #25126 (+190)
Half → 25K
25:28 | 10:30/mi
30K· 18.64 mi
3:11:18
Rank: #24793 (+333)
25K → 30K
32:47 | 10:33/mi
20M
3:25:35
Rank: #24638 (+155)
30K → 20M
14:17 | 10:31/mi
21M
3:36:10
Rank: #24445 (+193)
20M → 21M
10:35 | 10:35/mi
35K· 21.75 mi
3:43:36
Rank: #24365 (+80)
21M → 35K
7:26 | 9:56/mi
23M
3:56:11
Rank: #24175 (+190)
35K → 23M
12:35 | 10:03/mi
24M
4:06:00
Rank: #24042 (+133)
23M → 24M
9:49 | 9:49/mi
40K· 24.85 mi
4:14:56
Rank: #23971 (+71)
24M → 40K
8:56 | 10:27/mi
25.2M
4:18:45
Rank: #23931 (+40)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:27:54
Rank: #23803 (+128)
25.2M → Finish
9:09 | 8:59/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:03
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:14:51
Pace10:17 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0531:5810:1731:58
10:17
-
10K
6.21 mi12:21:221:03:1510:1131:17
10:04
-0:13
15K
9.32 mi12:52:481:34:4110:1031:26
10:07
+0:03
20K
12.43 mi13:24:222:06:1510:1031:34
10:10
+0:03
Half
13.11 mi13:31:102:13:0310:096:48
9:58
-0:12
25K
15.53 mi13:56:382:38:3110:1225:28
10:30
+0:32
30K
18.64 mi14:29:253:11:1810:1632:47
10:33
+0:03
20M
20.00 mi14:43:423:25:3510:1714:17
10:31
-0:02
21M
21.00 mi14:54:173:36:1010:1810:35
10:35
+0:04
35K
21.75 mi15:01:433:43:3610:177:26
9:56
-0:39
23M
23.00 mi15:14:183:56:1110:1612:35
10:03
+0:07
24M
24.00 mi15:24:074:06:0010:159:49
9:49
-0:14
40K
24.85 mi15:33:034:14:5610:158:56
10:27
+0:38
25.2M
25.20 mi15:36:524:18:4510:163:49
11:04
+0:37
Finish
26.22 mi15:46:014:27:5410:149:09
8:59
-2:05

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

8:59 /mi

Average Pace

10:14 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

26:24

10% of race

Time at Steady Pace

2:25:38

54% of race

Time at Slower Pace

1:35:52

36% of race

Average Pace: 10:13 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:0531:5810:1731:58
10:17
#26283
10K
6.21 mi12:21:221:03:1510:1131:17
10:04
#25875
15K
9.32 mi12:52:481:34:4110:1031:26
10:07
#25634
20K
12.43 mi13:24:222:06:1510:1031:34
10:10
#25354
Half
13.11 mi13:31:102:13:0310:096:48
9:58
#25316
25K
15.53 mi13:56:382:38:3110:1225:28
10:30
#25126
30K
18.64 mi14:29:253:11:1810:1632:47
10:33
#24793
20M
20.00 mi14:43:423:25:3510:1714:17
10:31
#24638
21M
21.00 mi14:54:173:36:1010:1810:35
10:35
#24445
35K
21.75 mi15:01:433:43:3610:177:26
9:56
#24365
23M
23.00 mi15:14:183:56:1110:1612:35
10:03
#24175
24M
24.00 mi15:24:074:06:0010:159:49
9:49
#24042
40K
24.85 mi15:33:034:14:5610:158:56
10:27
#23971
25.2M
25.20 mi15:36:524:18:4510:163:49
11:04
#23931
Finish
26.22 mi15:46:014:27:5410:149:09
8:59
#23803
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26283109101091025245(Top 89%)10365(Top 85%)10365(Top 190%)
10K6.21 mi3.10 mi25875+40810700+21010700+21025458(Top 90%)10495(Top 86%)10495(Top 192%)
15K9.32 mi3.11 mi25634+24110579+12110579+12125245(Top 89%)10365(Top 85%)10365(Top 190%)
20K12.43 mi3.11 mi25354+28010436+14310436+14324559(Top 86%)10022(Top 82%)10022(Top 183%)
Half13.11 mi0.68 mi25316+3810415+2110415+2124775(Top 87%)10142(Top 83%)10142(Top 185%)
25K15.53 mi2.42 mi25126+19010321+9410321+9424385(Top 86%)9951(Top 81%)9951(Top 182%)
30K18.64 mi3.11 mi24793+33310167+15410167+15423053(Top 81%)9349(Top 76%)9349(Top 171%)
20M20.00 mi1.36 mi24638+15510093+7410093+7422471(Top 79%)9146(Top 75%)9146(Top 167%)
21M21.00 mi1.00 mi24445+19310001+9210001+9220294(Top 71%)8077(Top 66%)8077(Top 148%)
35K21.75 mi0.75 mi24365+809971+309971+3021750(Top 77%)8908(Top 73%)8908(Top 163%)
23M23.00 mi1.25 mi24175+1909891+809891+8020669(Top 73%)8394(Top 69%)8394(Top 153%)
24M24.00 mi1.00 mi24042+1339835+569835+5620804(Top 73%)8512(Top 70%)8512(Top 156%)
40K24.85 mi0.85 mi23971+719810+259810+2521802(Top 77%)9099(Top 74%)9099(Top 166%)
25.2M25.20 mi0.35 mi23931+409792+189792+1820913(Top 74%)8627(Top 71%)8627(Top 158%)
Finish26.22 mi1.02 mi23803+1289739+539739+5318972(Top 67%)7593(Top 62%)7593(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25245

Females

10365

F18-39

10365

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25458

Females

10495

F18-39

10495

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25245

Females

10365

F18-39

10365

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24559

Females

10022

F18-39

10022

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24775

Females

10142

F18-39

10142

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24385

Females

9951

F18-39

9951

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23053

Females

9349

F18-39

9349

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22471

Females

9146

F18-39

9146

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20294

Females

8077

F18-39

8077

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21750

Females

8908

F18-39

8908

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20669

Females

8394

F18-39

8394

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20804

Females

8512

F18-39

8512

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21802

Females

9099

F18-39

9099

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20913

Females

8627

F18-39

8627

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18972

Females

7593

F18-39

7593

Passing Analysis

Category:
Athletes Passed
2644
Passed By
164
Net Change
+2480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26283
5K → 10K44234+408#26283#25875
10K → 15K27736+241#25875#25634
15K → 20K29717+280#25634#25354
20K → Half457+38#25354#25316
Half → 25K21121+190#25316#25126
25K → 30K34512+333#25126#24793
30K → 20M1605+155#24793#24638
20M → 21M1930+193#24638#24445
21M → 35K855+80#24445#24365
35K → 23M1944+190#24365#24175
23M → 24M1352+133#24175#24042
24M → 40K8716+71#24042#23971
40K → 25.2M400+40#23971#23931
25.2M → Finish1335+128#23931#23803
TOTALS2644164+2480
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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