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BOSTON MARATHON 2025

Julia Holland

Bib: 30085•F

MA

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
35:44
Rank: #28009
Start → 5K
35:44 | 11:30/mi
10K· 6.21 mi
1:12:55
Rank: #27978 (+31)
5K → 10K
37:11 | 11:58/mi
15K· 9.32 mi
1:49:01
Rank: #27798 (+180)
10K → 15K
36:06 | 11:37/mi
20K· 12.43 mi
2:25:21
Rank: #27564 (+234)
15K → 20K
36:20 | 11:42/mi
Half· 13.11 mi
2:32:51
Rank: #27515 (+49)
20K → Half
7:30 | 11:00/mi
25K· 15.53 mi
3:01:22
Rank: #27292 (+223)
Half → 25K
28:31 | 11:46/mi
30K· 18.64 mi
3:38:38
Rank: #27046 (+246)
25K → 30K
37:16 | 12:00/mi
20M
3:54:11
Rank: #26912 (+134)
30K → 20M
15:33 | 11:27/mi
21M
4:06:43
Rank: #26800 (+112)
20M → 21M
12:32 | 12:32/mi
35K· 21.75 mi
4:15:20
Rank: #26764 (+36)
21M → 35K
8:37 | 11:31/mi
23M
4:29:17
Rank: #26615 (+149)
35K → 23M
13:57 | 11:08/mi
24M
4:40:56
Rank: #26571 (+44)
23M → 24M
11:39 | 11:39/mi
40K· 24.85 mi
4:52:46
Rank: #26612 (-41)
24M → 40K
11:50 | 13:50/mi
25.2M
4:57:47
Rank: #26626 (-14)
40K → 25.2M
5:01 | 14:33/mi
Finish· 26.22 mi
5:08:51
Rank: #26590 (+36)
25.2M → Finish
11:04 | 10:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:51
Pace11:40 /mi
2nd Half
Distance13.11 mi
Time2:36:00
Pace11:54 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:0735:4411:3035:44
11:30
-
10K
6.21 mi12:36:181:12:5511:4437:11
11:58
+0:28
15K
9.32 mi13:12:241:49:0111:4236:06
11:37
-0:21
20K
12.43 mi13:48:442:25:2111:4236:20
11:42
+0:05
Half
13.11 mi13:56:142:32:5111:407:30
11:00
-0:42
25K
15.53 mi14:24:453:01:2211:4128:31
11:46
+0:46
30K
18.64 mi15:02:013:38:3811:4437:16
12:00
+0:14
20M
20.00 mi15:17:343:54:1111:4315:33
11:27
-0:33
21M
21.00 mi15:30:064:06:4311:4512:32
12:32
+1:05
35K
21.75 mi15:38:434:15:2011:448:37
11:31
-1:01
23M
23.00 mi15:52:404:29:1711:4213:57
11:08
-0:23
24M
24.00 mi16:04:194:40:5611:4211:39
11:39
+0:31
40K
24.85 mi16:16:094:52:4611:4711:50
13:50
+2:11
25.2M
25.20 mi16:21:104:57:4711:495:01
14:33
+0:43
Finish
26.22 mi16:32:145:08:5111:4711:04
10:52
-3:41

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

10:52 /mi

Average Pace

11:47 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:31

11% of race

Time at Steady Pace

4:06:57

80% of race

Time at Slower Pace

29:23

10% of race

Average Pace: 11:47 /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 mi11:59:0735:4411:3035:44
11:30
#28009
10K
6.21 mi12:36:181:12:5511:4437:11
11:58
#27978
15K
9.32 mi13:12:241:49:0111:4236:06
11:37
#27798
20K
12.43 mi13:48:442:25:2111:4236:20
11:42
#27564
Half
13.11 mi13:56:142:32:5111:407:30
11:00
#27515
25K
15.53 mi14:24:453:01:2211:4128:31
11:46
#27292
30K
18.64 mi15:02:013:38:3811:4437:16
12:00
#27046
20M
20.00 mi15:17:343:54:1111:4315:33
11:27
#26912
21M
21.00 mi15:30:064:06:4311:4512:32
12:32
#26800
35K
21.75 mi15:38:434:15:2011:448:37
11:31
#26764
23M
23.00 mi15:52:404:29:1711:4213:57
11:08
#26615
24M
24.00 mi16:04:194:40:5611:4211:39
11:39
#26571
40K
24.85 mi16:16:094:52:4611:4711:50
13:50
#26612
25.2M
25.20 mi16:21:104:57:4711:495:01
14:33
#26626
Finish
26.22 mi16:32:145:08:5111:4711:04
10:52
#26590
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28009119701197027333(Top 96%)11575(Top 95%)11575(Top 212%)
10K6.21 mi3.10 mi27978+3111946+2411946+2427917(Top 98%)11921(Top 97%)11921(Top 218%)
15K9.32 mi3.11 mi27798+18011840+10611840+10627333(Top 96%)11575(Top 95%)11575(Top 212%)
20K12.43 mi3.11 mi27564+23411706+13411706+13426829(Top 94%)11290(Top 92%)11290(Top 206%)
Half13.11 mi0.68 mi27515+4911673+3311673+3326472(Top 93%)11108(Top 91%)11108(Top 203%)
25K15.53 mi2.42 mi27292+22311554+11911554+11926161(Top 92%)10949(Top 90%)10949(Top 200%)
30K18.64 mi3.11 mi27046+24611420+13411420+13425589(Top 90%)10722(Top 88%)10722(Top 196%)
20M20.00 mi1.36 mi26912+13411355+6511355+6524440(Top 86%)10194(Top 83%)10194(Top 186%)
21M21.00 mi1.00 mi26800+11211298+5711298+5724434(Top 86%)10258(Top 84%)10258(Top 188%)
35K21.75 mi0.75 mi26764+3611286+1211286+1225118(Top 88%)10652(Top 87%)10652(Top 195%)
23M23.00 mi1.25 mi26615+14911217+6911217+6923535(Top 83%)9871(Top 81%)9871(Top 180%)
24M24.00 mi1.00 mi26571+4411199+1811199+1825147(Top 89%)10709(Top 88%)10709(Top 196%)
40K24.85 mi0.85 mi26612-4111226-2711226-2727041(Top 95%)11663(Top 95%)11663(Top 213%)
25.2M25.20 mi0.35 mi26626-1411236-1011236-1026760(Top 94%)11547(Top 94%)11547(Top 211%)
Finish26.22 mi1.02 mi26590+3611221+1511221+1525069(Top 88%)10688(Top 87%)10688(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27333

Females

11575

F18-39

11575

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27917

Females

11921

F18-39

11921

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27333

Females

11575

F18-39

11575

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26829

Females

11290

F18-39

11290

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26472

Females

11108

F18-39

11108

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26161

Females

10949

F18-39

10949

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25589

Females

10722

F18-39

10722

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24440

Females

10194

F18-39

10194

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24434

Females

10258

F18-39

10258

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

25118

Females

10652

F18-39

10652

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23535

Females

9871

F18-39

9871

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25147

Females

10709

F18-39

10709

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27041

Females

11663

F18-39

11663

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26760

Females

11547

F18-39

11547

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

25069

Females

10688

F18-39

10688

Passing Analysis

Category:
Athletes Passed
1595
Passed By
176
Net Change
+1419
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28009
5K → 10K9261+31#28009#27978
10K → 15K1844+180#27978#27798
15K → 20K2395+234#27798#27564
20K → Half523+49#27564#27515
Half → 25K2252+223#27515#27292
25K → 30K2526+246#27292#27046
30K → 20M1351+134#27046#26912
20M → 21M1153+112#26912#26800
21M → 35K448+36#26800#26764
35K → 23M1501+149#26764#26615
23M → 24M528+44#26615#26571
24M → 40K748-41#26571#26612
40K → 25.2M418-14#26612#26626
25.2M → Finish448+36#26626#26590
TOTALS1595176+1419
📊

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