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BOSTON MARATHON 2025

Tiffany O'Hearn Davies

Bib: 20110•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 41%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:37
Rank: #20290
Start → 5K
26:37 | 8:34/mi
10K· 6.21 mi
53:01
Rank: #20031 (+259)
5K → 10K
26:24 | 8:30/mi
15K· 9.32 mi
1:19:17
Rank: #19702 (+329)
10K → 15K
26:16 | 8:27/mi
20K· 12.43 mi
1:45:44
Rank: #19322 (+380)
15K → 20K
26:27 | 8:31/mi
Half· 13.11 mi
1:51:29
Rank: #19285 (+37)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:12:16
Rank: #18993 (+292)
Half → 25K
20:47 | 8:34/mi
30K· 18.64 mi
2:39:20
Rank: #18431 (+562)
25K → 30K
27:04 | 8:43/mi
20M
2:51:16
Rank: #18177 (+254)
30K → 20M
11:56 | 8:47/mi
21M
3:00:27
Rank: #17980 (+197)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
3:07:06
Rank: #17951 (+29)
21M → 35K
6:39 | 8:53/mi
23M
3:18:06
Rank: #17741 (+210)
35K → 23M
11:00 | 8:47/mi
24M
3:26:53
Rank: #17657 (+84)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:34:26
Rank: #17566 (+91)
24M → 40K
7:33 | 8:50/mi
25.2M
3:37:39
Rank: #17505 (+61)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:46:17
Rank: #17446 (+59)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:29
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:54:48
Pace8:45 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0526:378:3426:37
8:34
-
10K
6.21 mi11:47:2953:018:3226:24
8:30
-0:04
15K
9.32 mi12:13:451:19:178:3026:16
8:27
-0:03
20K
12.43 mi12:40:121:45:448:3026:27
8:31
+0:04
Half
13.11 mi12:45:571:51:298:305:45
8:26
-0:05
25K
15.53 mi13:06:442:12:168:3120:47
8:34
+0:08
30K
18.64 mi13:33:482:39:208:3327:04
8:43
+0:09
20M
20.00 mi13:45:442:51:168:3411:56
8:47
+0:04
21M
21.00 mi13:54:553:00:278:369:11
9:11
+0:24
35K
21.75 mi14:01:343:07:068:366:39
8:53
-0:18
23M
23.00 mi14:12:343:18:068:3711:00
8:47
-0:06
24M
24.00 mi14:21:213:26:538:378:47
8:47
0:00
40K
24.85 mi14:28:543:34:268:387:33
8:50
+0:03
25.2M
25.20 mi14:32:073:37:398:383:13
9:20
+0:30
Finish
26.22 mi14:40:453:46:178:388:38
8:28
-0:52

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

8:26 /mi

Average Pace

8:38 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:04

99% of race

Time at Steady Pace

3:13

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:21:0526:378:3426:37
8:34
#20290
10K
6.21 mi11:47:2953:018:3226:24
8:30
#20031
15K
9.32 mi12:13:451:19:178:3026:16
8:27
#19702
20K
12.43 mi12:40:121:45:448:3026:27
8:31
#19322
Half
13.11 mi12:45:571:51:298:305:45
8:26
#19285
25K
15.53 mi13:06:442:12:168:3120:47
8:34
#18993
30K
18.64 mi13:33:482:39:208:3327:04
8:43
#18431
20M
20.00 mi13:45:442:51:168:3411:56
8:47
#18177
21M
21.00 mi13:54:553:00:278:369:11
9:11
#17980
35K
21.75 mi14:01:343:07:068:366:39
8:53
#17951
23M
23.00 mi14:12:343:18:068:3711:00
8:47
#17741
24M
24.00 mi14:21:213:26:538:378:47
8:47
#17657
40K
24.85 mi14:28:543:34:268:387:33
8:50
#17566
25.2M
25.20 mi14:32:073:37:398:383:13
9:20
#17505
Finish
26.22 mi14:40:453:46:178:388:38
8:28
#17446
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi202907675767519064(Top 67%)6935(Top 57%)6935(Top 404%)
10K6.21 mi3.10 mi20031+2597485+1907485+19019789(Top 70%)7351(Top 60%)7351(Top 428%)
15K9.32 mi3.11 mi19702+3297293+1927293+19219064(Top 67%)6935(Top 57%)6935(Top 404%)
20K12.43 mi3.11 mi19322+3807094+1997094+19918345(Top 65%)6533(Top 53%)6533(Top 380%)
Half13.11 mi0.68 mi19285+377072+227072+2218761(Top 66%)6755(Top 55%)6755(Top 393%)
25K15.53 mi2.42 mi18993+2926913+1596913+15917644(Top 62%)6219(Top 51%)6219(Top 362%)
30K18.64 mi3.11 mi18431+5626622+2916622+29116077(Top 57%)5508(Top 45%)5508(Top 321%)
20M20.00 mi1.36 mi18177+2546520+1026520+10215590(Top 55%)5359(Top 44%)5359(Top 312%)
21M21.00 mi1.00 mi17980+1976419+1016419+10114578(Top 51%)4944(Top 40%)4944(Top 288%)
35K21.75 mi0.75 mi17951+296416+36416+317723(Top 62%)6747(Top 55%)6747(Top 393%)
23M23.00 mi1.25 mi17741+2106353+636353+6315000(Top 53%)5346(Top 44%)5346(Top 311%)
24M24.00 mi1.00 mi17657+846334+196334+1916277(Top 57%)6103(Top 50%)6103(Top 355%)
40K24.85 mi0.85 mi17566+916313+216313+2115392(Top 54%)5749(Top 47%)5749(Top 335%)
25.2M25.20 mi0.35 mi17505+616296+176296+1713715(Top 48%)4895(Top 40%)4895(Top 285%)
Finish26.22 mi1.02 mi17446+596282+146282+1416064(Top 57%)6059(Top 50%)6059(Top 353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19064

Females

6935

F40-44

6935

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19789

Females

7351

F40-44

7351

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19064

Females

6935

F40-44

6935

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18345

Females

6533

F40-44

6533

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18761

Females

6755

F40-44

6755

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17644

Females

6219

F40-44

6219

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16077

Females

5508

F40-44

5508

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15590

Females

5359

F40-44

5359

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14578

Females

4944

F40-44

4944

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17723

Females

6747

F40-44

6747

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15000

Females

5346

F40-44

5346

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16277

Females

6103

F40-44

6103

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15392

Females

5749

F40-44

5749

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13715

Females

4895

F40-44

4895

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16064

Females

6059

F40-44

6059

Passing Analysis

Category:
Athletes Passed
3392
Passed By
548
Net Change
+2844
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20290
5K → 10K437178+259#20290#20031
10K → 15K38455+329#20031#19702
15K → 20K42646+380#19702#19322
20K → Half5619+37#19322#19285
Half → 25K33240+292#19285#18993
25K → 30K58624+562#18993#18431
30K → 20M26713+254#18431#18177
20M → 21M21518+197#18177#17980
21M → 35K7546+29#17980#17951
35K → 23M22818+210#17951#17741
23M → 24M11733+84#17741#17657
24M → 40K11524+91#17657#17566
40K → 25.2M643+61#17566#17505
25.2M → Finish9031+59#17505#17446
TOTALS3392548+2844
📊

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