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BOSTON MARATHON 2025

Alexa Tabackman

Bib: 26715•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:21
Rank: #19785
Start → 5K
8:29/mi
26:21 split
10K· 6.21 mi
51:08
Rank: #18168 (+1617)
5K → 10K
7:59/mi
24:47 split
15K· 9.32 mi
1:15:44
Rank: #17264 (+904)
10K → 15K
7:55/mi
24:36 split
20K· 12.43 mi
1:40:40
Rank: #16683 (+581)
15K → 20K
8:02/mi
24:56 split
Half· 13.11 mi
1:46:07
Rank: #16629 (+54)
20K → Half
7:59/mi
5:27 split
25K· 15.53 mi
2:05:38
Rank: #16226 (+403)
Half → 25K
8:03/mi
19:31 split
30K· 18.64 mi
2:31:30
Rank: #15723 (+503)
25K → 30K
8:20/mi
25:52 split
20M
2:42:47
Rank: #15421 (+302)
30K → 20M
8:18/mi
11:17 split
21M
2:51:20
Rank: #15094 (+327)
20M → 21M
8:33/mi
8:33 split
35K· 21.75 mi
2:57:35
Rank: #15061 (+33)
21M → 35K
8:21/mi
6:15 split
23M
3:08:06
Rank: #14859 (+202)
35K → 23M
8:24/mi
10:31 split
24M
3:16:22
Rank: #14766 (+93)
23M → 24M
8:16/mi
8:16 split
40K· 24.85 mi
3:23:26
Rank: #14626 (+140)
24M → 40K
8:16/mi
7:04 split
25.2M
3:26:28
Rank: #14549 (+77)
40K → 25.2M
8:48/mi
3:02 split
Finish· 26.22 mi
3:33:58
Rank: #14282 (+267)
25.2M → Finish
7:22/mi
7:30 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:07
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:51
Pace8:14 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5526:218:2926:21
8:29
-
10K
6.21 mi12:09:4251:088:1424:47
7:59
-0:30
15K
9.32 mi12:34:181:15:448:0824:36
7:55
-0:04
20K
12.43 mi12:59:141:40:408:0624:56
8:02
+0:07
Half
13.11 mi13:04:411:46:078:065:27
7:59
-0:03
25K
15.53 mi13:24:122:05:388:0519:31
8:03
+0:04
30K
18.64 mi13:50:042:31:308:0825:52
8:20
+0:17
20M
20.00 mi14:01:212:42:478:0811:17
8:18
-0:02
21M
21.00 mi14:09:542:51:208:108:33
8:33
+0:15
35K
21.75 mi14:16:092:57:358:106:15
8:21
-0:12
23M
23.00 mi14:26:403:08:068:1110:31
8:24
+0:03
24M
24.00 mi14:34:563:16:228:118:16
8:16
-0:08
40K
24.85 mi14:42:003:23:268:117:04
8:16
0:00
25.2M
25.20 mi14:45:023:26:288:123:02
8:48
+0:32
Finish
26.22 mi14:52:323:33:588:107:30
7:22
-1:26

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

7:22 /mi

Average Pace

8:10 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:47

50% of race

Time at Steady Pace

1:44:09

49% of race

Time at Slower Pace

3:02

1% of race

Average Pace: 8:10 /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 mi11:44:5526:218:2926:21
8:29
#19785
10K
6.21 mi12:09:4251:088:1424:47
7:59
#18168
15K
9.32 mi12:34:181:15:448:0824:36
7:55
#17264
20K
12.43 mi12:59:141:40:408:0624:56
8:02
#16683
Half
13.11 mi13:04:411:46:078:065:27
7:59
#16629
25K
15.53 mi13:24:122:05:388:0519:31
8:03
#16226
30K
18.64 mi13:50:042:31:308:0825:52
8:20
#15723
20M
20.00 mi14:01:212:42:478:0811:17
8:18
#15421
21M
21.00 mi14:09:542:51:208:108:33
8:33
#15094
35K
21.75 mi14:16:092:57:358:106:15
8:21
#15061
23M
23.00 mi14:26:403:08:068:1110:31
8:24
#14859
24M
24.00 mi14:34:563:16:228:118:16
8:16
#14766
40K
24.85 mi14:42:003:23:268:117:04
8:16
#14626
25.2M
25.20 mi14:45:023:26:288:123:02
8:48
#14549
Finish
26.22 mi14:52:323:33:588:107:30
7:22
#14282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197857381738115387(Top 54%)4803(Top 39%)4803(Top 88%)
10K6.21 mi3.10 mi18168+16176428+9536428+95316297(Top 57%)5304(Top 43%)5304(Top 97%)
15K9.32 mi3.11 mi17264+9045870+5585870+55815387(Top 54%)4803(Top 39%)4803(Top 88%)
20K12.43 mi3.11 mi16683+5815544+3265544+32615125(Top 53%)4706(Top 38%)4706(Top 86%)
Half13.11 mi0.68 mi16629+545522+225522+2215823(Top 56%)5058(Top 41%)5058(Top 92%)
25K15.53 mi2.42 mi16226+4035294+2285294+22814283(Top 50%)4359(Top 36%)4359(Top 80%)
30K18.64 mi3.11 mi15723+5035068+2265068+22613665(Top 48%)4178(Top 34%)4178(Top 76%)
20M20.00 mi1.36 mi15421+3024936+1324936+13212543(Top 44%)3726(Top 30%)3726(Top 68%)
21M21.00 mi1.00 mi15094+3274778+1584778+15810838(Top 38%)3025(Top 25%)3025(Top 55%)
35K21.75 mi0.75 mi15061+334775+34775+314624(Top 51%)5027(Top 41%)5027(Top 92%)
23M23.00 mi1.25 mi14859+2024683+924683+9212714(Top 45%)4112(Top 34%)4112(Top 75%)
24M24.00 mi1.00 mi14766+934669+144669+1413058(Top 46%)4349(Top 36%)4349(Top 80%)
40K24.85 mi0.85 mi14626+1404613+564613+5611997(Top 42%)3918(Top 32%)3918(Top 72%)
25.2M25.20 mi0.35 mi14549+774591+224591+2210721(Top 38%)3377(Top 28%)3377(Top 62%)
Finish26.22 mi1.02 mi14282+2674470+1214470+1218256(Top 29%)2192(Top 18%)2192(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15387

Females

4803

F18-39

4803

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16297

Females

5304

F18-39

5304

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15387

Females

4803

F18-39

4803

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15125

Females

4706

F18-39

4706

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15823

Females

5058

F18-39

5058

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14283

Females

4359

F18-39

4359

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13665

Females

4178

F18-39

4178

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12543

Females

3726

F18-39

3726

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10838

Females

3025

F18-39

3025

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14624

Females

5027

F18-39

5027

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12714

Females

4112

F18-39

4112

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13058

Females

4349

F18-39

4349

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11997

Females

3918

F18-39

3918

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10721

Females

3377

F18-39

3377

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8256

Females

2192

F18-39

2192

Passing Analysis

Category:
Athletes Passed
5698
Passed By
195
Net Change
+5503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19785
5K → 10K162912+1617#19785#18168
10K → 15K9139+904#18168#17264
15K → 20K5887+581#17264#16683
20K → Half6915+54#16683#16629
Half → 25K4118+403#16629#16226
25K → 30K53330+503#16226#15723
30K → 20M3086+302#15723#15421
20M → 21M3292+327#15421#15094
21M → 35K7643+33#15094#15061
35K → 23M22119+202#15061#14859
23M → 24M12330+93#14859#14766
24M → 40K1499+140#14766#14626
40K → 25.2M792+77#14626#14549
25.2M → Finish2703+267#14549#14282
TOTALS5698195+5503
📊

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