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BOSTON MARATHON 2025

Julia Matwiejczuk

Bib: 31923•F

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
10:25/mi
32:22
↑ 97↓ 3451.5%
10K· 6.21 mi
10:31/mi
1:05:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:20/mi
1:37:07
↑ 67↓ 78
20K· 12.43 mi
10:27/mi
2:09:34
↑ 106↓ 860.1%
Half· 13.11 mi
10:07/mi
2:16:28
↑ 19↓ 370.5%
25K· 15.53 mi
10:25/mi
2:41:43
↑ 66↓ 880.2%
30K· 18.64 mi
11:17/mi
3:16:47
↑ 181↓ 1480.2%
20M
11:04/mi
3:31:50
↑ 64↓ 500.2%
21M
11:36/mi
3:43:26
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
3:51:29
↑ 17↓ 861.7%
23M
10:57/mi
4:05:12
↑ 23↓ 630.6%
24M
10:50/mi
4:16:02
↓ 821.3%
40K· 24.85 mi
10:49/mi
4:25:17
↓ 200.3%
25.2M
11:33/mi
4:29:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:49/mi
4:39:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:28
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:22:48
Pace10:54 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4032:2210:2532:22
10:25
-
10K
6.21 mi12:29:201:05:0210:2832:40
10:31
+0:06
15K
9.32 mi13:01:251:37:0710:2532:05
10:20
-0:11
20K
12.43 mi13:33:522:09:3410:2632:27
10:27
+0:07
Half
13.11 mi13:40:462:16:2810:256:54
10:07
-0:20
25K
15.53 mi14:06:012:41:4310:2525:15
10:25
+0:18
30K
18.64 mi14:41:053:16:4710:3335:04
11:17
+0:52
20M
20.00 mi14:56:083:31:5010:3515:03
11:04
-0:13
21M
21.00 mi15:07:443:43:2610:3811:36
11:36
+0:32
35K
21.75 mi15:15:473:51:2910:398:03
10:46
-0:50
23M
23.00 mi15:29:304:05:1210:4013:43
10:57
+0:11
24M
24.00 mi15:40:204:16:0210:4010:50
10:50
-0:07
40K
24.85 mi15:49:354:25:1710:409:15
10:49
-0:01
25.2M
25.20 mi15:53:344:29:1610:413:59
11:33
+0:44
Finish
26.22 mi16:03:344:39:1610:4010:00
9:49
-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

9:49 /mi

Average Pace

10:40 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:46

64% of race

Time at Steady Pace

1:27:54

31% of race

Time at Slower Pace

11:36

4% of race

Average Pace: 10:39 /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 mi11:56:4032:2210:2532:22
10:25
#26573
10K
6.21 mi12:29:201:05:0210:2832:40
10:31
#26430
15K
9.32 mi13:01:251:37:0710:2532:05
10:20
#26116
20K
12.43 mi13:33:522:09:3410:2632:27
10:27
#25847
Half
13.11 mi13:40:462:16:2810:256:54
10:07
#25816
25K
15.53 mi14:06:012:41:4310:2525:15
10:25
#25542
30K
18.64 mi14:41:053:16:4710:3335:04
11:17
#25342
20M
20.00 mi14:56:083:31:5010:3515:03
11:04
#25231
21M
21.00 mi15:07:443:43:2610:3811:36
11:36
#25124
35K
21.75 mi15:15:473:51:2910:398:03
10:46
#25091
23M
23.00 mi15:29:304:05:1210:4013:43
10:57
#25003
24M
24.00 mi15:40:204:16:0210:4010:50
10:50
#24950
40K
24.85 mi15:49:354:25:1710:409:15
10:49
#24882
25.2M
25.20 mi15:53:344:29:1610:413:59
11:33
#24860
Finish
26.22 mi16:03:344:39:1610:4010:00
9:49
#24794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26573110831108325636(Top 90%)10580(Top 87%)10580(Top 193%)
10K6.21 mi3.10 mi26430+14311011+7211011+7226285(Top 93%)10951(Top 90%)10951(Top 200%)
15K9.32 mi3.11 mi26116+31410845+16610845+16625636(Top 90%)10580(Top 87%)10580(Top 193%)
20K12.43 mi3.11 mi25847+26910705+14010705+14025093(Top 88%)10311(Top 84%)10311(Top 189%)
Half13.11 mi0.68 mi25816+3110680+2510680+2525033(Top 88%)10280(Top 84%)10280(Top 188%)
25K15.53 mi2.42 mi25542+27410543+13710543+13724196(Top 85%)9849(Top 81%)9849(Top 180%)
30K18.64 mi3.11 mi25342+20010474+6910474+6924517(Top 86%)10139(Top 83%)10139(Top 185%)
20M20.00 mi1.36 mi25231+11110427+4710427+4723726(Top 84%)9808(Top 80%)9808(Top 179%)
21M21.00 mi1.00 mi25124+10710376+5110376+5122793(Top 80%)9398(Top 77%)9398(Top 172%)
35K21.75 mi0.75 mi25091+3310371+510371+523684(Top 83%)9894(Top 81%)9894(Top 181%)
23M23.00 mi1.25 mi25003+8810329+4210329+4223112(Top 81%)9668(Top 79%)9668(Top 177%)
24M24.00 mi1.00 mi24950+5310317+1210317+1223612(Top 83%)9936(Top 81%)9936(Top 182%)
40K24.85 mi0.85 mi24882+6810293+2410293+2422703(Top 80%)9562(Top 78%)9562(Top 175%)
25.2M25.20 mi0.35 mi24860+2210282+1110282+1122117(Top 78%)9227(Top 75%)9227(Top 169%)
Finish26.22 mi1.02 mi24794+6610259+2310259+2322293(Top 78%)9325(Top 76%)9325(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25636

Females

10580

F18-39

10580

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26285

Females

10951

F18-39

10951

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25636

Females

10580

F18-39

10580

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25093

Females

10311

F18-39

10311

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25033

Females

10280

F18-39

10280

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24196

Females

9849

F18-39

9849

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24517

Females

10139

F18-39

10139

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23726

Females

9808

F18-39

9808

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22793

Females

9398

F18-39

9398

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23684

Females

9894

F18-39

9894

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23112

Females

9668

F18-39

9668

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23612

Females

9936

F18-39

9936

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22703

Females

9562

F18-39

9562

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22117

Females

9227

F18-39

9227

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22293

Females

9325

F18-39

9325

Passing Analysis

Category:
Athletes Passed
2029
Passed By
250
Net Change
+1779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26573
5K → 10K252109+143#26573#26430
10K → 15K32612+314#26430#26116
15K → 20K28819+269#26116#25847
20K → Half376+31#25847#25816
Half → 25K2817+274#25816#25542
25K → 30K23131+200#25542#25342
30K → 20M12211+111#25342#25231
20M → 21M1169+107#25231#25124
21M → 35K4613+33#25124#25091
35K → 23M913+88#25091#25003
23M → 24M6613+53#25003#24950
24M → 40K724+68#24950#24882
40K → 25.2M264+22#24882#24860
25.2M → Finish759+66#24860#24794
TOTALS2029250+1779
📊

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