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BOSTON MARATHON 2025

Alexandra Deshaw

Bib: 15960•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
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
23:32
Rank: #12916
Start → 5K
23:32 | 7:34/mi
10K· 6.21 mi
47:07
Rank: #12869 (+47)
5K → 10K
23:35 | 7:35/mi
15K· 9.32 mi
1:10:30
Rank: #12547 (+322)
10K → 15K
23:23 | 7:32/mi
20K· 12.43 mi
1:33:58
Rank: #12178 (+369)
15K → 20K
23:28 | 7:33/mi
Half· 13.11 mi
1:39:06
Rank: #12158 (+20)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:57:38
Rank: #11946 (+212)
Half → 25K
18:32 | 7:39/mi
30K· 18.64 mi
2:23:34
Rank: #12285 (-339)
25K → 30K
25:56 | 8:21/mi
20M
2:37:50
Rank: #13467 (-1182)
30K → 20M
14:16 | 10:30/mi
21M
2:47:07
Rank: #13540 (-73)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
2:53:23
Rank: #13571 (-31)
21M → 35K
6:16 | 8:23/mi
23M
3:04:14
Rank: #13597 (-26)
35K → 23M
10:51 | 8:40/mi
24M
3:12:10
Rank: #13447 (+150)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:19:36
Rank: #13489 (-42)
24M → 40K
7:26 | 8:42/mi
25.2M
3:22:51
Rank: #13491 (-2)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:30:35
Rank: #13365 (+126)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:51:29
Pace8:30 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2123:327:3423:32
7:34
-
10K
6.21 mi11:18:5647:077:3523:35
7:35
+0:01
15K
9.32 mi11:42:191:10:307:3423:23
7:32
-0:03
20K
12.43 mi12:05:471:33:587:3423:28
7:33
+0:01
Half
13.11 mi12:10:551:39:067:345:08
7:31
-0:02
25K
15.53 mi12:29:271:57:387:3418:32
7:39
+0:08
30K
18.64 mi12:55:232:23:347:4225:56
8:21
+0:42
20M
20.00 mi13:09:392:37:507:5314:16
10:30
+2:09
21M
21.00 mi13:18:562:47:077:579:17
9:17
-1:13
35K
21.75 mi13:25:122:53:237:586:16
8:23
-0:54
23M
23.00 mi13:36:033:04:148:0110:51
8:40
+0:17
24M
24.00 mi13:43:593:12:108:007:56
7:56
-0:44
40K
24.85 mi13:51:253:19:368:027:26
8:42
+0:46
25.2M
25.20 mi13:54:403:22:518:033:15
9:25
+0:43
Finish
26.22 mi14:02:243:30:358:027:44
7:35
-1:50

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

7:31 /mi

Average Pace

8:02 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:39:14

76% of race

Time at Slower Pace

51:21

24% of race

Average Pace: 8:02 /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 mi10:55:2123:327:3423:32
7:34
#12916
10K
6.21 mi11:18:5647:077:3523:35
7:35
#12869
15K
9.32 mi11:42:191:10:307:3423:23
7:32
#12547
20K
12.43 mi12:05:471:33:587:3423:28
7:33
#12178
Half
13.11 mi12:10:551:39:067:345:08
7:31
#12158
25K
15.53 mi12:29:271:57:387:3418:32
7:39
#11946
30K
18.64 mi12:55:232:23:347:4225:56
8:21
#12285
20M
20.00 mi13:09:392:37:507:5314:16
10:30
#13467
21M
21.00 mi13:18:562:47:077:579:17
9:17
#13540
35K
21.75 mi13:25:122:53:237:586:16
8:23
#13571
23M
23.00 mi13:36:033:04:148:0110:51
8:40
#13597
24M
24.00 mi13:43:593:12:108:007:56
7:56
#13447
40K
24.85 mi13:51:253:19:368:027:26
8:42
#13489
25.2M
25.20 mi13:54:403:22:518:033:15
9:25
#13491
Finish
26.22 mi14:02:243:30:358:027:44
7:35
#13365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi129163275327512022(Top 42%)2917(Top 24%)2917(Top 53%)
10K6.21 mi3.10 mi12869+473271+43271+412953(Top 46%)3345(Top 27%)3345(Top 61%)
15K9.32 mi3.11 mi12547+3223130+1413130+14112022(Top 42%)2917(Top 24%)2917(Top 53%)
20K12.43 mi3.11 mi12178+3692966+1642966+16411211(Top 39%)2589(Top 21%)2589(Top 47%)
Half13.11 mi0.68 mi12158+202966296612031(Top 42%)2981(Top 24%)2981(Top 55%)
25K15.53 mi2.42 mi11946+2122893+732893+7311122(Top 39%)2655(Top 22%)2655(Top 49%)
30K18.64 mi3.11 mi12285-3393152-2593152-25913799(Top 49%)4253(Top 35%)4253(Top 78%)
20M20.00 mi1.36 mi13467-11823836-6843836-68422411(Top 79%)9114(Top 75%)9114(Top 167%)
21M21.00 mi1.00 mi13540-733914-783914-7815076(Top 53%)5209(Top 43%)5209(Top 95%)
35K21.75 mi0.75 mi13571-313954-403954-4014734(Top 52%)5083(Top 42%)5083(Top 93%)
23M23.00 mi1.25 mi13597-264010-564010-5614345(Top 51%)4982(Top 41%)4982(Top 91%)
24M24.00 mi1.00 mi13447+1503949+613949+6110814(Top 38%)3213(Top 26%)3213(Top 59%)
40K24.85 mi0.85 mi13489-423989-403989-4014584(Top 51%)5283(Top 43%)5283(Top 97%)
25.2M25.20 mi0.35 mi13491-24009-204009-2014182(Top 50%)5102(Top 42%)5102(Top 93%)
Finish26.22 mi1.02 mi13365+1263966+433966+439887(Top 35%)2946(Top 24%)2946(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

12022

Females

2917

F18-39

2917

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12953

Females

3345

F18-39

3345

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

12022

Females

2917

F18-39

2917

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11211

Females

2589

F18-39

2589

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

12031

Females

2981

F18-39

2981

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11122

Females

2655

F18-39

2655

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13799

Females

4253

F18-39

4253

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22411

Females

9114

F18-39

9114

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

15076

Females

5209

F18-39

5209

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14734

Females

5083

F18-39

5083

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14345

Females

4982

F18-39

4982

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10814

Females

3213

F18-39

3213

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14584

Females

5283

F18-39

5283

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14182

Females

5102

F18-39

5102

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9887

Females

2946

F18-39

2946

Passing Analysis

Category:
Athletes Passed
2220
Passed By
2669
Net Change
-449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12916
5K → 10K309262+47#12916#12869
10K → 15K38967+322#12869#12547
15K → 20K40031+369#12547#12178
20K → Half4222+20#12178#12158
Half → 25K26957+212#12158#11946
25K → 30K145484-339#11946#12285
30K → 20M181200-1182#12285#13467
20M → 21M89162-73#13467#13540
21M → 35K3970-31#13540#13571
35K → 23M110136-26#13571#13597
23M → 24M17020+150#13597#13447
24M → 40K62104-42#13447#13489
40K → 25.2M4042-2#13489#13491
25.2M → Finish13812+126#13491#13365
TOTALS22202669-449
📊

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