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BOSTON MARATHON 2025

Febry Arnold

Bib: 21927•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:39/mi
26:51
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
56:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:27:42
↑ 67↓ 78
20K· 12.43 mi
10:14/mi
1:59:29
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:06:07
↑ 19↓ 370.5%
25K· 15.53 mi
10:37/mi
2:31:52
↑ 66↓ 880.2%
30K· 18.64 mi
10:44/mi
3:05:12
↑ 181↓ 1480.2%
20M
10:37/mi
3:19:38
↑ 64↓ 500.2%
21M
11:17/mi
3:30:55
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
3:38:35
↑ 17↓ 861.7%
23M
10:31/mi
3:51:45
↑ 23↓ 630.6%
24M
10:09/mi
4:01:54
↓ 821.3%
40K· 24.85 mi
10:20/mi
4:10:44
↓ 200.3%
25.2M
11:19/mi
4:14:38
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:24:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:07
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:18:18
Pace10:33 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5526:518:3926:51
8:39
-
10K
6.21 mi11:52:4656:429:0729:51
9:36
+0:57
15K
9.32 mi12:23:461:27:429:2531:00
9:59
+0:23
20K
12.43 mi12:55:331:59:299:3731:47
10:14
+0:15
Half
13.11 mi13:02:112:06:079:376:38
9:43
-0:31
25K
15.53 mi13:27:562:31:529:4725:45
10:37
+0:54
30K
18.64 mi14:01:163:05:129:5633:20
10:44
+0:07
20M
20.00 mi14:15:423:19:389:5914:26
10:37
-0:07
21M
21.00 mi14:26:593:30:5510:0311:17
11:17
+0:40
35K
21.75 mi14:34:393:38:3510:037:40
10:15
-1:02
23M
23.00 mi14:47:493:51:4510:0513:10
10:31
+0:16
24M
24.00 mi14:57:584:01:5410:0510:09
10:09
-0:22
40K
24.85 mi15:06:484:10:4410:058:50
10:20
+0:11
25.2M
25.20 mi15:10:424:14:3810:063:54
11:19
+0:59
Finish
26.22 mi15:20:294:24:2510:069:47
9:36
-1:43

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

8:39 /mi

Average Pace

10:06 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:07

28% of race

Time at Steady Pace

1:42:36

39% of race

Time at Slower Pace

1:28:42

34% of race

Average Pace: 10:05 /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 mi11:22:5526:518:3926:51
8:39
#20722
10K
6.21 mi11:52:4656:429:0729:51
9:36
#22922
15K
9.32 mi12:23:461:27:429:2531:00
9:59
#23780
20K
12.43 mi12:55:331:59:299:3731:47
10:14
#24068
Half
13.11 mi13:02:112:06:079:376:38
9:43
#24065
25K
15.53 mi13:27:562:31:529:4725:45
10:37
#24174
30K
18.64 mi14:01:163:05:129:5633:20
10:44
#24061
20M
20.00 mi14:15:423:19:389:5914:26
10:37
#23963
21M
21.00 mi14:26:593:30:5510:0311:17
11:17
#23844
35K
21.75 mi14:34:393:38:3510:037:40
10:15
#23785
23M
23.00 mi14:47:493:51:4510:0513:10
10:31
#23675
24M
24.00 mi14:57:584:01:5410:0510:09
10:09
#23606
40K
24.85 mi15:06:484:10:4410:058:50
10:20
#23533
25.2M
25.20 mi15:10:424:14:3810:063:54
11:19
#23495
Finish
26.22 mi15:20:294:24:2510:069:47
9:36
#23435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi207227928792824954(Top 88%)10188(Top 83%)10188(Top 562%)
10K6.21 mi3.10 mi22922-22009110-11829110-118224386(Top 86%)9903(Top 81%)9903(Top 546%)
15K9.32 mi3.11 mi23780-8589562-4529562-45224954(Top 88%)10188(Top 83%)10188(Top 562%)
20K12.43 mi3.11 mi24068-2889728-1669728-16624712(Top 87%)10110(Top 83%)10110(Top 558%)
Half13.11 mi0.68 mi24065+39725+39725+324188(Top 85%)9808(Top 80%)9808(Top 541%)
25K15.53 mi2.42 mi24174-1099804-799804-7924582(Top 87%)10061(Top 82%)10061(Top 555%)
30K18.64 mi3.11 mi24061+1139762+429762+4223465(Top 83%)9590(Top 78%)9590(Top 529%)
20M20.00 mi1.36 mi23963+989728+349728+3422753(Top 80%)9287(Top 76%)9287(Top 512%)
21M21.00 mi1.00 mi23844+1199679+499679+4922129(Top 78%)9043(Top 74%)9043(Top 499%)
35K21.75 mi0.75 mi23785+599660+199660+1922580(Top 79%)9328(Top 76%)9328(Top 515%)
23M23.00 mi1.25 mi23675+1109621+399621+3922069(Top 78%)9105(Top 74%)9105(Top 502%)
24M24.00 mi1.00 mi23606+699602+199602+1921812(Top 77%)9044(Top 74%)9044(Top 499%)
40K24.85 mi0.85 mi23533+739579+239579+2321498(Top 76%)8932(Top 73%)8932(Top 493%)
25.2M25.20 mi0.35 mi23495+389572+79572+721596(Top 76%)8965(Top 73%)8965(Top 494%)
Finish26.22 mi1.02 mi23435+609553+199553+1921577(Top 76%)8953(Top 73%)8953(Top 494%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24954

Females

10188

F45-49

10188

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24386

Females

9903

F45-49

9903

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24954

Females

10188

F45-49

10188

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24712

Females

10110

F45-49

10110

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24188

Females

9808

F45-49

9808

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24582

Females

10061

F45-49

10061

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23465

Females

9590

F45-49

9590

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22753

Females

9287

F45-49

9287

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22129

Females

9043

F45-49

9043

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22580

Females

9328

F45-49

9328

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22069

Females

9105

F45-49

9105

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21812

Females

9044

F45-49

9044

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21498

Females

8932

F45-49

8932

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21596

Females

8965

F45-49

8965

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21577

Females

8953

F45-49

8953

Passing Analysis

Category:
Athletes Passed
1158
Passed By
3871
Net Change
-2713
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20722
5K → 10K102210-2200#20722#22922
10K → 15K32890-858#22922#23780
15K → 20K54342-288#23780#24068
20K → Half2825+3#24068#24065
Half → 25K78187-109#24065#24174
25K → 30K217104+113#24174#24061
30K → 20M12830+98#24061#23963
20M → 21M13112+119#23963#23844
21M → 35K667+59#23844#23785
35K → 23M12515+110#23785#23675
23M → 24M8415+69#23675#23606
24M → 40K8310+73#23606#23533
40K → 25.2M479+38#23533#23495
25.2M → Finish7515+60#23495#23435
TOTALS11583871-2713
📊

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