Boston Marathon logo
BOSTON MARATHON 2025

Julia Hazian

Bib: 26885•F

RI

0:00
0:00
/ mi
Be the first to cheer!
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
10:07/mi
31:27
↑ 97↓ 3451.5%
10K· 6.21 mi
10:11/mi
1:03:05
↑ 79↓ 1380.4%
15K· 9.32 mi
9:42/mi
1:33:12
↑ 67↓ 78
20K· 12.43 mi
9:40/mi
2:03:14
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:09:37
↑ 19↓ 370.5%
25K· 15.53 mi
9:56/mi
2:33:43
↑ 66↓ 880.2%
30K· 18.64 mi
10:24/mi
3:06:01
↑ 181↓ 1480.2%
20M
11:14/mi
3:21:17
↑ 64↓ 500.2%
21M
12:14/mi
3:33:31
↑ 106↓ 241.6%
35K· 21.75 mi
10:35/mi
3:41:26
↑ 17↓ 861.7%
23M
11:51/mi
3:56:16
↑ 23↓ 630.6%
24M
10:29/mi
4:06:45
↓ 821.3%
40K· 24.85 mi
10:53/mi
4:16:03
↓ 200.3%
25.2M
11:50/mi
4:20:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
4:29:26
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:37
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:19:49
Pace10:40 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4231:2710:0731:27
10:07
-
10K
6.21 mi12:27:201:03:0510:0931:38
10:11
+0:04
15K
9.32 mi12:57:271:33:1210:0030:07
9:42
-0:29
20K
12.43 mi13:27:292:03:149:5530:02
9:40
-0:02
Half
13.11 mi13:33:522:09:379:536:23
9:21
-0:19
25K
15.53 mi13:57:582:33:439:5424:06
9:56
+0:35
30K
18.64 mi14:30:163:06:019:5932:18
10:24
+0:28
20M
20.00 mi14:45:323:21:1710:0415:16
11:14
+0:50
21M
21.00 mi14:57:463:33:3110:1012:14
12:14
+1:00
35K
21.75 mi15:05:413:41:2610:117:55
10:35
-1:39
23M
23.00 mi15:20:313:56:1610:1614:50
11:51
+1:16
24M
24.00 mi15:31:004:06:4510:1710:29
10:29
-1:22
40K
24.85 mi15:40:184:16:0310:189:18
10:53
+0:24
25.2M
25.20 mi15:44:234:20:0810:194:05
11:50
+0:57
Finish
26.22 mi15:53:414:29:2610:179:18
9:08
-2:42

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

9:08 /mi

Average Pace

10:17 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:56

37% of race

Time at Steady Pace

1:53:47

42% of race

Time at Slower Pace

55:43

21% of race

Average Pace: 10:17 /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 mi11:55:4231:2710:0731:27
10:07
#25883
10K
6.21 mi12:27:201:03:0510:0931:38
10:11
#25788
15K
9.32 mi12:57:271:33:1210:0030:07
9:42
#25287
20K
12.43 mi13:27:292:03:149:5530:02
9:40
#24800
Half
13.11 mi13:33:522:09:379:536:23
9:21
#24715
25K
15.53 mi13:57:582:33:439:5424:06
9:56
#24486
30K
18.64 mi14:30:163:06:019:5932:18
10:24
#24185
20M
20.00 mi14:45:323:21:1710:0415:16
11:14
#24159
21M
21.00 mi14:57:463:33:3110:1012:14
12:14
#24156
35K
21.75 mi15:05:413:41:2610:117:55
10:35
#24121
23M
23.00 mi15:20:313:56:1610:1614:50
11:51
#24182
24M
24.00 mi15:31:004:06:4510:1710:29
10:29
#24128
40K
24.85 mi15:40:184:16:0310:189:18
10:53
#24092
25.2M
25.20 mi15:44:234:20:0810:194:05
11:50
#24070
Finish
26.22 mi15:53:414:29:2610:179:18
9:08
#23954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25883106961069624263(Top 85%)9816(Top 80%)9816(Top 179%)
10K6.21 mi3.10 mi25788+9510653+4310653+4325715(Top 91%)10639(Top 87%)10639(Top 195%)
15K9.32 mi3.11 mi25287+50110384+26910384+26924263(Top 85%)9816(Top 80%)9816(Top 179%)
20K12.43 mi3.11 mi24800+48710123+26110123+26123403(Top 82%)9371(Top 77%)9371(Top 171%)
Half13.11 mi0.68 mi24715+8510079+4410079+4423159(Top 82%)9242(Top 76%)9242(Top 169%)
25K15.53 mi2.42 mi24486+2299972+1079972+10723108(Top 81%)9259(Top 76%)9259(Top 169%)
30K18.64 mi3.11 mi24185+3019828+1449828+14422705(Top 80%)9162(Top 75%)9162(Top 168%)
20M20.00 mi1.36 mi24159+269842-149842-1424075(Top 85%)9993(Top 82%)9993(Top 183%)
21M21.00 mi1.00 mi24156+39846-49846-423998(Top 84%)10032(Top 82%)10032(Top 183%)
35K21.75 mi0.75 mi24121+359833+139833+1323355(Top 82%)9734(Top 80%)9734(Top 178%)
23M23.00 mi1.25 mi24182-619896-639896-6324865(Top 88%)10526(Top 86%)10526(Top 192%)
24M24.00 mi1.00 mi24128+549885+119885+1122788(Top 80%)9535(Top 78%)9535(Top 174%)
40K24.85 mi0.85 mi24092+369879+69879+622869(Top 81%)9636(Top 79%)9636(Top 176%)
25.2M25.20 mi0.35 mi24070+229868+119868+1122927(Top 81%)9627(Top 79%)9627(Top 176%)
Finish26.22 mi1.02 mi23954+1169819+499819+4919671(Top 69%)7968(Top 65%)7968(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24263

Females

9816

F18-39

9816

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25715

Females

10639

F18-39

10639

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24263

Females

9816

F18-39

9816

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23403

Females

9371

F18-39

9371

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23159

Females

9242

F18-39

9242

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

23108

Females

9259

F18-39

9259

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22705

Females

9162

F18-39

9162

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24075

Females

9993

F18-39

9993

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23998

Females

10032

F18-39

10032

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23355

Females

9734

F18-39

9734

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

24865

Females

10526

F18-39

10526

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22788

Females

9535

F18-39

9535

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22869

Females

9636

F18-39

9636

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22927

Females

9627

F18-39

9627

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19671

Females

7968

F18-39

7968

Passing Analysis

Category:
Athletes Passed
2426
Passed By
497
Net Change
+1929
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25883
5K → 10K238143+95#25883#25788
10K → 15K5098+501#25788#25287
15K → 20K4903+487#25287#24800
20K → Half861+85#24800#24715
Half → 25K2367+229#24715#24486
25K → 30K32928+301#24486#24185
30K → 20M9064+26#24185#24159
20M → 21M5653+3#24159#24156
21M → 35K4813+35#24156#24121
35K → 23M55116-61#24121#24182
23M → 24M7420+54#24182#24128
24M → 40K6327+36#24128#24092
40K → 25.2M319+22#24092#24070
25.2M → Finish1215+116#24070#23954
TOTALS2426497+1929
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing