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BOSTON MARATHON 2025

Tara Atkinson

Bib: 23255•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F50-54)
#0 / 1303
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:35
Rank: #13036
Start → 5K
23:35 | 7:35/mi
10K· 6.21 mi
47:00
Rank: #12693 (+343)
5K → 10K
23:25 | 7:32/mi
15K· 9.32 mi
1:10:27
Rank: #12502 (+191)
10K → 15K
23:27 | 7:33/mi
20K· 12.43 mi
1:33:47
Rank: #12048 (+454)
15K → 20K
23:20 | 7:31/mi
Half· 13.11 mi
1:38:51
Rank: #11986 (+62)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:57:03
Rank: #11638 (+348)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:20:39
Rank: #10988 (+650)
25K → 30K
23:36 | 7:36/mi
20M
2:30:52
Rank: #10630 (+358)
30K → 20M
10:13 | 7:31/mi
21M
2:38:30
Rank: #10226 (+404)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:43:53
Rank: #10047 (+179)
21M → 35K
5:23 | 7:12/mi
23M
2:53:09
Rank: #9743 (+304)
35K → 23M
9:16 | 7:24/mi
24M
3:00:12
Rank: #9442 (+301)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
3:06:11
Rank: #9163 (+279)
24M → 40K
5:59 | 7:00/mi
25.2M
3:08:44
Rank: #9008 (+155)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
3:15:35
Rank: #8746 (+262)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:51
Pace7:32 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2523:357:3523:35
7:35
-
10K
6.21 mi11:44:5047:007:3423:25
7:32
-0:03
15K
9.32 mi12:08:171:10:277:3423:27
7:33
+0:01
20K
12.43 mi12:31:371:33:477:3323:20
7:31
-0:02
Half
13.11 mi12:36:411:38:517:325:04
7:26
-0:05
25K
15.53 mi12:54:531:57:037:3218:12
7:30
+0:04
30K
18.64 mi13:18:292:20:397:3323:36
7:36
+0:06
20M
20.00 mi13:28:422:30:527:3310:13
7:31
-0:05
21M
21.00 mi13:36:202:38:307:337:38
7:38
+0:07
35K
21.75 mi13:41:432:43:537:325:23
7:12
-0:26
23M
23.00 mi13:50:592:53:097:329:16
7:24
+0:12
24M
24.00 mi13:58:023:00:127:317:03
7:03
-0:21
40K
24.85 mi14:04:013:06:117:295:59
7:00
-0:03
25.2M
25.20 mi14:06:343:08:447:292:33
7:24
+0:24
Finish
26.22 mi14:13:253:15:357:286:51
6:43
-0:41

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

6:43 /mi

Average Pace

7:28 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:16

13% of race

Time at Steady Pace

2:50:19

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi11:21:2523:357:3523:35
7:35
#13036
10K
6.21 mi11:44:5047:007:3423:25
7:32
#12693
15K
9.32 mi12:08:171:10:277:3423:27
7:33
#12502
20K
12.43 mi12:31:371:33:477:3323:20
7:31
#12048
Half
13.11 mi12:36:411:38:517:325:04
7:26
#11986
25K
15.53 mi12:54:531:57:037:3218:12
7:30
#11638
30K
18.64 mi13:18:292:20:397:3323:36
7:36
#10988
20M
20.00 mi13:28:422:30:527:3310:13
7:31
#10630
21M
21.00 mi13:36:202:38:307:337:38
7:38
#10226
35K
21.75 mi13:41:432:43:537:325:23
7:12
#10047
23M
23.00 mi13:50:592:53:097:329:16
7:24
#9743
24M
24.00 mi13:58:023:00:127:317:03
7:03
#9442
40K
24.85 mi14:04:013:06:117:295:59
7:00
#9163
25.2M
25.20 mi14:06:343:08:447:292:33
7:24
#9008
Finish
26.22 mi14:13:253:15:357:286:51
6:43
#8746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi130363330333012171(Top 43%)2998(Top 25%)2998(Top 230%)
10K6.21 mi3.10 mi12693+3433170+1603170+16012436(Top 44%)3049(Top 25%)3049(Top 234%)
15K9.32 mi3.11 mi12502+1913103+673103+6712171(Top 43%)2998(Top 25%)2998(Top 230%)
20K12.43 mi3.11 mi12048+4542896+2072896+20710850(Top 38%)2389(Top 20%)2389(Top 183%)
Half13.11 mi0.68 mi11986+622867+292867+2911118(Top 39%)2459(Top 20%)2459(Top 189%)
25K15.53 mi2.42 mi11638+3482722+1452722+14510030(Top 35%)2106(Top 17%)2106(Top 162%)
30K18.64 mi3.11 mi10988+6502465+2572465+2578434(Top 30%)1573(Top 13%)1573(Top 121%)
20M20.00 mi1.36 mi10630+3582318+1472318+1477163(Top 25%)1210(Top 10%)1210(Top 93%)
21M21.00 mi1.00 mi10226+4042153+1652153+1655335(Top 19%)710(Top 6%)710(Top 54%)
35K21.75 mi0.75 mi10047+1792088+652088+656633(Top 23%)1157(Top 9%)1157(Top 89%)
23M23.00 mi1.25 mi9743+3041977+1111977+1116094(Top 21%)1066(Top 9%)1066(Top 82%)
24M24.00 mi1.00 mi9442+3011870+1071870+1074964(Top 17%)729(Top 6%)729(Top 56%)
40K24.85 mi0.85 mi9163+2791780+901780+903947(Top 14%)497(Top 4%)497(Top 38%)
25.2M25.20 mi0.35 mi9008+1551728+521728+523037(Top 11%)340(Top 3%)340(Top 26%)
Finish26.22 mi1.02 mi8746+2621656+721656+724059(Top 14%)577(Top 5%)577(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12171

Females

2998

F50-54

2998

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12436

Females

3049

F50-54

3049

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12171

Females

2998

F50-54

2998

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10850

Females

2389

F50-54

2389

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11118

Females

2459

F50-54

2459

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

10030

Females

2106

F50-54

2106

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8434

Females

1573

F50-54

1573

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7163

Females

1210

F50-54

1210

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5335

Females

710

F50-54

710

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6633

Females

1157

F50-54

1157

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6094

Females

1066

F50-54

1066

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4964

Females

729

F50-54

729

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3947

Females

497

F50-54

497

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3037

Females

340

F50-54

340

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4059

Females

577

F50-54

577

Passing Analysis

Category:
Athletes Passed
4617*
Passed By
327
Net Change
+4290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13036
5K → 10K487144+343#13036#12693
10K → 15K296105+191#12693#12502
15K → 20K47521+454#12502#12048
20K → Half7513+62#12048#11986
Half → 25K36618+348#11986#11638
25K → 30K66414+650#11638#10988
30K → 20M3580+358#10988#10630
20M → 21M4051+404#10630#10226
21M → 35K1801+179#10226#10047
35K → 23M307*3+304#10047#9743
23M → 24M3032+301#9743#9442
24M → 40K2812+279#9442#9163
40K → 25.2M1550+155#9163#9008
25.2M → Finish2653+262#9008#8746
TOTALS4617*327+4290

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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