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BOSTON MARATHON 2025

Christina Bower

Bib: 18124•F

NS

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

Start
0:00:00
Race begins
5K· 3.11 mi
25:15
Rank: #17537
Start → 5K
25:15 | 8:08/mi
10K· 6.21 mi
50:33
Rank: #17516 (+21)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:16:45
Rank: #17991 (-475)
10K → 15K
26:12 | 8:26/mi
20K· 12.43 mi
1:44:37
Rank: #18764 (-773)
15K → 20K
27:52 | 8:58/mi
Half· 13.11 mi
1:50:23
Rank: #18766 (-2)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:13:03
Rank: #19288 (-522)
Half → 25K
22:40 | 9:21/mi
30K· 18.64 mi
2:44:26
Rank: #19985 (-697)
25K → 30K
31:23 | 10:06/mi
20M
2:58:28
Rank: #20183 (-198)
30K → 20M
14:02 | 10:20/mi
21M
3:09:29
Rank: #20305 (-122)
20M → 21M
11:01 | 11:01/mi
35K· 21.75 mi
3:16:42
Rank: #20320 (-15)
21M → 35K
7:13 | 9:39/mi
23M
3:28:33
Rank: #20219 (+101)
35K → 23M
11:51 | 9:28/mi
24M
3:37:07
Rank: #20029 (+190)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:44:39
Rank: #19855 (+174)
24M → 40K
7:32 | 8:49/mi
25.2M
3:48:16
Rank: #19851 (+4)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:57:11
Rank: #19781 (+70)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:06:48
Pace9:40 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0125:158:0825:15
8:08
-
10K
6.21 mi11:41:1950:338:0825:18
8:09
+0:01
15K
9.32 mi12:07:311:16:458:1426:12
8:26
+0:17
20K
12.43 mi12:35:231:44:378:2527:52
8:58
+0:32
Half
13.11 mi12:41:091:50:238:255:46
8:27
-0:31
25K
15.53 mi13:03:492:13:038:3422:40
9:21
+0:54
30K
18.64 mi13:35:122:44:268:4931:23
10:06
+0:45
20M
20.00 mi13:49:142:58:288:5514:02
10:20
+0:14
21M
21.00 mi14:00:153:09:299:0111:01
11:01
+0:41
35K
21.75 mi14:07:283:16:429:037:13
9:39
-1:22
23M
23.00 mi14:19:193:28:339:0411:51
9:28
-0:11
24M
24.00 mi14:27:533:37:079:038:34
8:34
-0:54
40K
24.85 mi14:35:253:44:399:027:32
8:49
+0:15
25.2M
25.20 mi14:39:023:48:169:033:37
10:29
+1:40
Finish
26.22 mi14:47:573:57:119:038:55
8:45
-1:44

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

8:08 /mi

Average Pace

9:03 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:31

35% of race

Time at Steady Pace

1:15:33

32% of race

Time at Slower Pace

1:19:07

33% of race

Average Pace: 9:03 /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 mi11:16:0125:158:0825:15
8:08
#17537
10K
6.21 mi11:41:1950:338:0825:18
8:09
#17516
15K
9.32 mi12:07:311:16:458:1426:12
8:26
#17991
20K
12.43 mi12:35:231:44:378:2527:52
8:58
#18764
Half
13.11 mi12:41:091:50:238:255:46
8:27
#18766
25K
15.53 mi13:03:492:13:038:3422:40
9:21
#19288
30K
18.64 mi13:35:122:44:268:4931:23
10:06
#19985
20M
20.00 mi13:49:142:58:288:5514:02
10:20
#20183
21M
21.00 mi14:00:153:09:299:0111:01
11:01
#20305
35K
21.75 mi14:07:283:16:429:037:13
9:39
#20320
23M
23.00 mi14:19:193:28:339:0411:51
9:28
#20219
24M
24.00 mi14:27:533:37:079:038:34
8:34
#20029
40K
24.85 mi14:35:253:44:399:027:32
8:49
#19855
25.2M
25.20 mi14:39:023:48:169:033:37
10:29
#19851
Finish
26.22 mi14:47:573:57:119:038:55
8:45
#19781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi175376054605418895(Top 67%)6845(Top 56%)6845(Top 125%)
10K6.21 mi3.10 mi17516+216047+76047+717478(Top 62%)5990(Top 49%)5990(Top 110%)
15K9.32 mi3.11 mi17991-4756328-2816328-28118895(Top 67%)6845(Top 56%)6845(Top 125%)
20K12.43 mi3.11 mi18764-7736767-4396767-43920801(Top 73%)7951(Top 65%)7951(Top 145%)
Half13.11 mi0.68 mi18766-26771-46771-418826(Top 66%)6820(Top 56%)6820(Top 125%)
25K15.53 mi2.42 mi19288-5227083-3127083-31221349(Top 75%)8283(Top 68%)8283(Top 151%)
30K18.64 mi3.11 mi19985-6977517-4347517-43421901(Top 77%)8727(Top 71%)8727(Top 160%)
20M20.00 mi1.36 mi20183-1987663-1467663-14621928(Top 77%)8853(Top 72%)8853(Top 162%)
21M21.00 mi1.00 mi20305-1227751-887751-8821427(Top 75%)8676(Top 71%)8676(Top 159%)
35K21.75 mi0.75 mi20320-157772-217772-2120809(Top 73%)8410(Top 69%)8410(Top 154%)
23M23.00 mi1.25 mi20219+1017741+317741+3118507(Top 65%)7249(Top 59%)7249(Top 133%)
24M24.00 mi1.00 mi20029+1907656+857656+8514881(Top 52%)5334(Top 44%)5334(Top 98%)
40K24.85 mi0.85 mi19855+1747587+697587+6915207(Top 54%)5650(Top 46%)5650(Top 103%)
25.2M25.20 mi0.35 mi19851+47585+27585+218884(Top 66%)7594(Top 62%)7594(Top 139%)
Finish26.22 mi1.02 mi19781+707561+247561+2417731(Top 62%)6956(Top 57%)6956(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

18895

Females

6845

F18-39

6845

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17478

Females

5990

F18-39

5990

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

18895

Females

6845

F18-39

6845

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20801

Females

7951

F18-39

7951

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18826

Females

6820

F18-39

6820

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21349

Females

8283

F18-39

8283

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

21901

Females

8727

F18-39

8727

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21928

Females

8853

F18-39

8853

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21427

Females

8676

F18-39

8676

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20809

Females

8410

F18-39

8410

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18507

Females

7249

F18-39

7249

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14881

Females

5334

F18-39

5334

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15207

Females

5650

F18-39

5650

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18884

Females

7594

F18-39

7594

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17731

Females

6956

F18-39

6956

Passing Analysis

Category:
Athletes Passed
1373
Passed By
3617
Net Change
-2244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17537
5K → 10K297276+21#17537#17516
10K → 15K77552-475#17516#17991
15K → 20K56829-773#17991#18764
20K → Half3436-2#18764#18766
Half → 25K59581-522#18766#19288
25K → 30K68765-697#19288#19985
30K → 20M58256-198#19985#20183
20M → 21M52174-122#20183#20305
21M → 35K5065-15#20305#20320
35K → 23M13433+101#20320#20219
23M → 24M1900+190#20219#20029
24M → 40K1740+174#20029#19855
40K → 25.2M2925+4#19855#19851
25.2M → Finish9525+70#19851#19781
TOTALS13733617-2244
📊

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