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BOSTON MARATHON 2025

Ashley Rex

Bib: 27910•F

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:23/mi
29:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
55:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:22:30
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:49:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:55:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:16:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:43:11
↑ 181↓ 1480.2%
20M
8:48/mi
2:55:09
↑ 64↓ 500.2%
21M
9:21/mi
3:04:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:10:48
↑ 17↓ 861.7%
23M
8:54/mi
3:21:56
↑ 23↓ 630.6%
24M
8:51/mi
3:30:47
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:38:28
↓ 200.3%
25.2M
9:49/mi
3:41:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:50:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:55:03
Pace8:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:55:23
Pace8:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4629:099:2329:09
9:23
-
10K
6.21 mi12:15:2255:458:5826:36
8:34
-0:49
15K
9.32 mi12:42:071:22:308:5126:45
8:37
+0:03
20K
12.43 mi13:08:591:49:228:4826:52
8:39
+0:02
Half
13.11 mi13:14:401:55:038:475:41
8:20
-0:19
25K
15.53 mi13:35:372:16:008:4520:57
8:38
+0:18
30K
18.64 mi14:02:482:43:118:4527:11
8:45
+0:07
20M
20.00 mi14:14:462:55:098:4511:58
8:48
+0:03
21M
21.00 mi14:24:073:04:308:479:21
9:21
+0:33
35K
21.75 mi14:30:253:10:488:466:18
8:25
-0:56
23M
23.00 mi14:41:333:21:568:4711:08
8:54
+0:29
24M
24.00 mi14:50:243:30:478:478:51
8:51
-0:03
40K
24.85 mi14:58:053:38:288:477:41
8:59
+0:08
25.2M
25.20 mi15:01:283:41:518:483:23
9:49
+0:50
Finish
26.22 mi15:10:033:50:268:488:35
8:25
-1:24

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

8:20 /mi

Average Pace

8:48 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:33

82% of race

Time at Steady Pace

41:53

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:48:4629:099:2329:09
9:23
#23852
10K
6.21 mi12:15:2255:458:5826:36
8:34
#22317
15K
9.32 mi12:42:071:22:308:5126:45
8:37
#21540
20K
12.43 mi13:08:591:49:228:4826:52
8:39
#20939
Half
13.11 mi13:14:401:55:038:475:41
8:20
#20805
25K
15.53 mi13:35:372:16:008:4520:57
8:38
#20383
30K
18.64 mi14:02:482:43:118:4527:11
8:45
#19608
20M
20.00 mi14:14:462:55:098:4511:58
8:48
#19333
21M
21.00 mi14:24:073:04:308:479:21
9:21
#19102
35K
21.75 mi14:30:253:10:488:466:18
8:25
#18960
23M
23.00 mi14:41:333:21:568:4711:08
8:54
#18761
24M
24.00 mi14:50:243:30:478:478:51
8:51
#18656
40K
24.85 mi14:58:053:38:288:477:41
8:59
#18538
25.2M
25.20 mi15:01:283:41:518:483:23
9:49
#18506
Finish
26.22 mi15:10:033:50:268:488:35
8:25
#18417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238529618961819984(Top 70%)7429(Top 61%)7429(Top 136%)
10K6.21 mi3.10 mi22317+15358789+8298789+82920160(Top 71%)7552(Top 62%)7552(Top 138%)
15K9.32 mi3.11 mi21540+7778331+4588331+45819984(Top 70%)7429(Top 61%)7429(Top 136%)
20K12.43 mi3.11 mi20939+6017998+3337998+33319140(Top 67%)6988(Top 57%)6988(Top 128%)
Half13.11 mi0.68 mi20805+1347924+747924+7418196(Top 64%)6446(Top 53%)6446(Top 118%)
25K15.53 mi2.42 mi20383+4227706+2187706+21818064(Top 64%)6466(Top 53%)6466(Top 118%)
30K18.64 mi3.11 mi19608+7757304+4027304+40216308(Top 57%)5641(Top 46%)5641(Top 103%)
20M20.00 mi1.36 mi19333+2757172+1327172+13215740(Top 55%)5453(Top 45%)5453(Top 100%)
21M21.00 mi1.00 mi19102+2317057+1157057+11515438(Top 54%)5421(Top 44%)5421(Top 99%)
35K21.75 mi0.75 mi18960+1427001+567001+5615069(Top 53%)5286(Top 43%)5286(Top 97%)
23M23.00 mi1.25 mi18761+1996917+846917+8415667(Top 55%)5709(Top 47%)5709(Top 104%)
24M24.00 mi1.00 mi18656+1056878+396878+3916618(Top 59%)6280(Top 51%)6280(Top 115%)
40K24.85 mi0.85 mi18538+1186844+346844+3416258(Top 57%)6190(Top 51%)6190(Top 113%)
25.2M25.20 mi0.35 mi18506+326836+86836+816227(Top 57%)6212(Top 51%)6212(Top 114%)
Finish26.22 mi1.02 mi18417+896816+206816+2015773(Top 56%)5905(Top 48%)5905(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19984

Females

7429

F18-39

7429

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20160

Females

7552

F18-39

7552

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19984

Females

7429

F18-39

7429

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

19140

Females

6988

F18-39

6988

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18196

Females

6446

F18-39

6446

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18064

Females

6466

F18-39

6466

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16308

Females

5641

F18-39

5641

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15740

Females

5453

F18-39

5453

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15438

Females

5421

F18-39

5421

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15069

Females

5286

F18-39

5286

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15667

Females

5709

F18-39

5709

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16618

Females

6280

F18-39

6280

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16258

Females

6190

F18-39

6190

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16227

Females

6212

F18-39

6212

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15773

Females

5905

F18-39

5905

Passing Analysis

Category:
Athletes Passed
5585
Passed By
150
Net Change
+5435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23852
5K → 10K15372+1535#23852#22317
10K → 15K7847+777#22317#21540
15K → 20K61211+601#21540#20939
20K → Half1340+134#20939#20805
Half → 25K4319+422#20805#20383
25K → 30K7783+775#20383#19608
30K → 20M2805+275#19608#19333
20M → 21M24413+231#19333#19102
21M → 35K1497+142#19102#18960
35K → 23M21617+199#18960#18761
23M → 24M12015+105#18761#18656
24M → 40K13921+118#18656#18538
40K → 25.2M4816+32#18538#18506
25.2M → Finish11324+89#18506#18417
TOTALS5585150+5435
📊

Passing Visuals

Category:
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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