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BOSTON MARATHON 2025

Tracey Stearns

Bib: 29566•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:43
Rank: #22099
Start → 5K
8:55/mi
27:43 split
10K· 6.21 mi
55:29
Rank: #22110 (-11)
5K → 10K
8:56/mi
27:46 split
15K· 9.32 mi
1:23:44
Rank: #22213 (-103)
10K → 15K
9:06/mi
28:15 split
20K· 12.43 mi
1:52:09
Rank: #22039 (+174)
15K → 20K
9:09/mi
28:25 split
Half· 13.11 mi
1:58:08
Rank: #21979 (+60)
20K → Half
8:46/mi
5:59 split
25K· 15.53 mi
2:21:37
Rank: #22073 (-94)
Half → 25K
9:41/mi
23:29 split
30K· 18.64 mi
2:51:42
Rank: #21809 (+264)
25K → 30K
9:41/mi
30:05 split
20M
3:05:24
Rank: #21759 (+50)
30K → 20M
10:05/mi
13:42 split
21M
3:15:46
Rank: #21622 (+137)
20M → 21M
10:22/mi
10:22 split
35K· 21.75 mi
3:22:55
Rank: #21585 (+37)
21M → 35K
9:33/mi
7:09 split
23M
3:34:53
Rank: #21404 (+181)
35K → 23M
9:33/mi
11:58 split
24M
3:44:17
Rank: #21299 (+105)
23M → 24M
9:24/mi
9:24 split
40K· 24.85 mi
3:52:13
Rank: #21172 (+127)
24M → 40K
9:17/mi
7:56 split
25.2M
3:55:47
Rank: #21115 (+57)
40K → 25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
4:05:07
Rank: #21070 (+45)
25.2M → Finish
9:10/mi
9:20 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:08
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:06:59
Pace9:41 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5627:438:5527:43
8:55
-
10K
6.21 mi12:20:4255:298:5627:46
8:56
+0:01
15K
9.32 mi12:48:571:23:448:5928:15
9:06
+0:10
20K
12.43 mi13:17:221:52:099:0128:25
9:09
+0:03
Half
13.11 mi13:23:211:58:089:015:59
8:46
-0:23
25K
15.53 mi13:46:502:21:379:0723:29
9:41
+0:55
30K
18.64 mi14:16:552:51:429:1330:05
9:41
0:00
20M
20.00 mi14:30:373:05:249:1613:42
10:05
+0:24
21M
21.00 mi14:40:593:15:469:1910:22
10:22
+0:17
35K
21.75 mi14:48:083:22:559:207:09
9:33
-0:49
23M
23.00 mi15:00:063:34:539:2111:58
9:33
0:00
24M
24.00 mi15:09:303:44:179:219:24
9:24
-0:09
40K
24.85 mi15:17:263:52:139:217:56
9:17
-0:07
25.2M
25.20 mi15:21:003:55:479:213:34
10:21
+1:04
Finish
26.22 mi15:30:204:05:079:219:20
9:10
-1:11

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

8:46 /mi

Average Pace

9:21 /mi

Slowest Pace

10:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:55

67% of race

Time at Steady Pace

1:07:16

27% of race

Time at Slower Pace

13:56

6% of race

Average Pace: 9:21 /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 mi11:52:5627:438:5527:43
8:55
#22099
10K
6.21 mi12:20:4255:298:5627:46
8:56
#22110
15K
9.32 mi12:48:571:23:448:5928:15
9:06
#22213
20K
12.43 mi13:17:221:52:099:0128:25
9:09
#22039
Half
13.11 mi13:23:211:58:089:015:59
8:46
#21979
25K
15.53 mi13:46:502:21:379:0723:29
9:41
#22073
30K
18.64 mi14:16:552:51:429:1330:05
9:41
#21809
20M
20.00 mi14:30:373:05:249:1613:42
10:05
#21759
21M
21.00 mi14:40:593:15:469:1910:22
10:22
#21622
35K
21.75 mi14:48:083:22:559:207:09
9:33
#21585
23M
23.00 mi15:00:063:34:539:2111:58
9:33
#21404
24M
24.00 mi15:09:303:44:179:219:24
9:24
#21299
40K
24.85 mi15:17:263:52:139:217:56
9:17
#21172
25.2M
25.20 mi15:21:003:55:479:213:34
10:21
#21115
Finish
26.22 mi15:30:204:05:079:219:20
9:10
#21070
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi220998683868322432(Top 79%)8791(Top 72%)8791(Top 485%)
10K6.21 mi3.10 mi22110-118676+78676+722112(Top 78%)8661(Top 71%)8661(Top 478%)
15K9.32 mi3.11 mi22213-1038707-318707-3122432(Top 79%)8791(Top 72%)8791(Top 485%)
20K12.43 mi3.11 mi22039+1748616+918616+9121665(Top 76%)8409(Top 69%)8409(Top 464%)
Half13.11 mi0.68 mi21979+608584+328584+3220823(Top 73%)7949(Top 65%)7949(Top 438%)
25K15.53 mi2.42 mi22073-948646-628646-6222451(Top 79%)8906(Top 73%)8906(Top 491%)
30K18.64 mi3.11 mi21809+2648516+1308516+13020645(Top 73%)8016(Top 66%)8016(Top 442%)
20M20.00 mi1.36 mi21759+508504+128504+1221223(Top 75%)8480(Top 69%)8480(Top 468%)
21M21.00 mi1.00 mi21622+1378461+438461+4319616(Top 69%)7693(Top 63%)7693(Top 424%)
35K21.75 mi0.75 mi21585+378448+138448+1320570(Top 72%)8288(Top 68%)8288(Top 457%)
23M23.00 mi1.25 mi21404+1818380+688380+6818904(Top 67%)7469(Top 61%)7469(Top 412%)
24M24.00 mi1.00 mi21299+1058347+338347+3319261(Top 68%)7689(Top 63%)7689(Top 424%)
40K24.85 mi0.85 mi21172+1278295+528295+5217800(Top 63%)7042(Top 58%)7042(Top 388%)
25.2M25.20 mi0.35 mi21115+578271+248271+2418510(Top 65%)7399(Top 61%)7399(Top 408%)
Finish26.22 mi1.02 mi21070+458264+78264+719798(Top 70%)8037(Top 66%)8037(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22432

Females

8791

F45-49

8791

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22112

Females

8661

F45-49

8661

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22432

Females

8791

F45-49

8791

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21665

Females

8409

F45-49

8409

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20823

Females

7949

F45-49

7949

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22451

Females

8906

F45-49

8906

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20645

Females

8016

F45-49

8016

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21223

Females

8480

F45-49

8480

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19616

Females

7693

F45-49

7693

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20570

Females

8288

F45-49

8288

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

18904

Females

7469

F45-49

7469

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19261

Females

7689

F45-49

7689

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17800

Females

7042

F45-49

7042

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18510

Females

7399

F45-49

7399

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19798

Females

8037

F45-49

8037

Passing Analysis

Category:
Athletes Passed
2098
Passed By
1069
Net Change
+1029
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22099
5K → 10K253264-11#22099#22110
10K → 15K153256-103#22110#22213
15K → 20K26591+174#22213#22039
20K → Half699+60#22039#21979
Half → 25K111205-94#21979#22073
25K → 30K34379+264#22073#21809
30K → 20M11464+50#21809#21759
20M → 21M16326+137#21759#21622
21M → 35K5922+37#21622#21585
35K → 23M19716+181#21585#21404
23M → 24M1149+105#21404#21299
24M → 40K1303+127#21299#21172
40K → 25.2M614+57#21172#21115
25.2M → Finish6621+45#21115#21070
TOTALS20981069+1029
📊

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