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BOSTON MARATHON 2025

Anna Lowry

Bib: 5236•F

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Female)
#0 / 12228
Top 0.9%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #4961
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
40:43
Rank: #4160 (+801)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
1:00:53
Rank: #3911 (+249)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:21:09
Rank: #3711 (+200)
15K → 20K
20:16 | 6:31/mi
Half· 13.11 mi
1:25:26
Rank: #3643 (+68)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:41:28
Rank: #3590 (+53)
Half → 25K
16:02 | 6:37/mi
30K· 18.64 mi
2:01:43
Rank: #3214 (+376)
25K → 30K
20:15 | 6:31/mi
20M
2:10:33
Rank: #3030 (+184)
30K → 20M
8:50 | 6:30/mi
21M
2:17:20
Rank: #2899 (+131)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:22:00
Rank: #2808 (+91)
21M → 35K
4:40 | 6:14/mi
23M
2:30:01
Rank: #2645 (+163)
35K → 23M
8:01 | 6:24/mi
24M
2:36:09
Rank: #2493 (+152)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:41:29
Rank: #2395 (+98)
24M → 40K
5:20 | 6:14/mi
25.2M
2:43:47
Rank: #2340 (+55)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:49:37
Rank: #2198 (+142)
25.2M → Finish
5:50 | 5:43/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:26
Pace6:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:11
Pace6:25 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2420:386:3820:38
6:38
-
10K
6.21 mi10:45:2940:436:3320:05
6:28
-0:10
15K
9.32 mi11:05:391:00:536:3220:10
6:29
+0:01
20K
12.43 mi11:25:551:21:096:3220:16
6:31
+0:02
Half
13.11 mi11:30:121:25:266:314:17
6:17
-0:14
25K
15.53 mi11:46:141:41:286:3216:02
6:37
+0:20
30K
18.64 mi12:06:292:01:436:3220:15
6:31
-0:06
20M
20.00 mi12:15:192:10:336:328:50
6:30
-0:01
21M
21.00 mi12:22:062:17:206:326:47
6:47
+0:17
35K
21.75 mi12:26:462:22:006:324:40
6:14
-0:33
23M
23.00 mi12:34:472:30:016:318:01
6:24
+0:10
24M
24.00 mi12:40:552:36:096:306:08
6:08
-0:16
40K
24.85 mi12:46:152:41:296:305:20
6:14
+0:06
25.2M
25.20 mi12:48:332:43:476:302:18
6:40
+0:26
Finish
26.22 mi12:54:232:49:376:285:50
5:43
-0:57

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

5:43 /mi

Average Pace

6:28 /mi

Slowest Pace

6:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:15

15% of race

Time at Steady Pace

2:16:35

81% of race

Time at Slower Pace

6:47

4% of race

Average Pace: 6:28 /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 mi10:25:2420:386:3820:38
6:38
#4961
10K
6.21 mi10:45:2940:436:3320:05
6:28
#4160
15K
9.32 mi11:05:391:00:536:3220:10
6:29
#3911
20K
12.43 mi11:25:551:21:096:3220:16
6:31
#3711
Half
13.11 mi11:30:121:25:266:314:17
6:17
#3643
25K
15.53 mi11:46:141:41:286:3216:02
6:37
#3590
30K
18.64 mi12:06:292:01:436:3220:15
6:31
#3214
20M
20.00 mi12:15:192:10:336:328:50
6:30
#3030
21M
21.00 mi12:22:062:17:206:326:47
6:47
#2899
35K
21.75 mi12:26:462:22:006:324:40
6:14
#2808
23M
23.00 mi12:34:472:30:016:318:01
6:24
#2645
24M
24.00 mi12:40:552:36:096:306:08
6:08
#2493
40K
24.85 mi12:46:152:41:296:305:20
6:14
#2395
25.2M
25.20 mi12:48:332:43:476:302:18
6:40
#2340
Finish
26.22 mi12:54:232:49:376:285:50
5:43
#2198
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi49613093093524(Top 12%)182(Top 1%)182(Top 3%)
10K6.21 mi3.10 mi4160+801234+75234+753495(Top 12%)176(Top 1%)176(Top 3%)
15K9.32 mi3.11 mi3911+249215+19215+193524(Top 12%)182(Top 1%)182(Top 3%)
20K12.43 mi3.11 mi3711+200198+17198+173269(Top 12%)163(Top 1%)163(Top 3%)
Half13.11 mi0.68 mi3643+68189+9189+92462(Top 9%)100(Top 0.8%)100(Top 2%)
25K15.53 mi2.42 mi3590+53188+1188+13558(Top 13%)194(Top 2%)194(Top 4%)
30K18.64 mi3.11 mi3214+376157+31157+312072(Top 7%)95(Top 0.8%)95(Top 2%)
20M20.00 mi1.36 mi3030+184146+11146+111647(Top 6%)84(Top 0.7%)84(Top 2%)
21M21.00 mi1.00 mi2899+131137+9137+91500(Top 5%)79(Top 0.6%)79(Top 1%)
35K21.75 mi0.75 mi2808+91132+5132+51422(Top 5%)70(Top 0.6%)70(Top 1%)
23M23.00 mi1.25 mi2645+163125+7125+71177(Top 4%)65(Top 0.5%)65(Top 1%)
24M24.00 mi1.00 mi2493+152118+7118+7872(Top 3%)49(Top 0.4%)49(Top 0.9%)
40K24.85 mi0.85 mi2395+98113+5113+5854(Top 3%)49(Top 0.4%)49(Top 0.9%)
25.2M25.20 mi0.35 mi2340+55110+3110+3743(Top 3%)50(Top 0.4%)50(Top 0.9%)
Finish26.22 mi1.02 mi2198+142106+4106+4404(Top 1%)22(Top 0.2%)22(Top 0.4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3524

Females

182

F18-39

182

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3495

Females

176

F18-39

176

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3524

Females

182

F18-39

182

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3269

Females

163

F18-39

163

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2462

Females

100

F18-39

100

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3558

Females

194

F18-39

194

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2072

Females

95

F18-39

95

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1647

Females

84

F18-39

84

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1500

Females

79

F18-39

79

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1422

Females

70

F18-39

70

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1177

Females

65

F18-39

65

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

872

Females

49

F18-39

49

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

854

Females

49

F18-39

49

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

743

Females

50

F18-39

50

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

404

Females

22

F18-39

22

Passing Analysis

Category:
Athletes Passed
2844
Passed By
81
Net Change
+2763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4961
5K → 10K8065+801#4961#4160
10K → 15K26314+249#4160#3911
15K → 20K2099+200#3911#3711
20K → Half691+68#3711#3643
Half → 25K9340+53#3643#3590
25K → 30K3793+376#3590#3214
30K → 20M1840+184#3214#3030
20M → 21M1321+131#3030#2899
21M → 35K943+91#2899#2808
35K → 23M1641+163#2808#2645
23M → 24M1531+152#2645#2493
24M → 40K991+98#2493#2395
40K → 25.2M572+55#2395#2340
25.2M → Finish1420+142#2340#2198
TOTALS284481+2763
📊

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