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BOSTON MARATHON 2025

Justine Granger

Bib: 22784•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 42%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:48
Rank: #18755
Start → 5K
25:48 | 8:18/mi
10K· 6.21 mi
51:21
Rank: #18407 (+348)
5K → 10K
25:33 | 8:13/mi
15K· 9.32 mi
1:17:13
Rank: #18315 (+92)
10K → 15K
25:52 | 8:20/mi
20K· 12.43 mi
1:43:49
Rank: #18335 (-20)
15K → 20K
26:36 | 8:34/mi
Half· 13.11 mi
1:49:30
Rank: #18322 (+13)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:10:05
Rank: #18092 (+230)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:38:20
Rank: #18068 (+24)
25K → 30K
28:15 | 9:06/mi
20M
2:50:46
Rank: #18020 (+48)
30K → 20M
12:26 | 9:09/mi
21M
3:00:29
Rank: #17989 (+31)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:07:03
Rank: #17939 (+50)
21M → 35K
6:34 | 8:47/mi
23M
3:18:25
Rank: #17839 (+100)
35K → 23M
11:22 | 9:05/mi
24M
3:27:29
Rank: #17800 (+39)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:35:15
Rank: #17756 (+44)
24M → 40K
7:46 | 9:05/mi
25.2M
3:38:34
Rank: #17709 (+47)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:47:17
Rank: #17679 (+30)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:57:47
Pace8:59 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2225:488:1825:48
8:18
-
10K
6.21 mi11:48:5551:218:1625:33
8:13
-0:05
15K
9.32 mi12:14:471:17:138:1725:52
8:20
+0:07
20K
12.43 mi12:41:231:43:498:2126:36
8:34
+0:14
Half
13.11 mi12:47:041:49:308:215:41
8:20
-0:14
25K
15.53 mi13:07:392:10:058:2220:35
8:29
+0:09
30K
18.64 mi13:35:542:38:208:3028:15
9:06
+0:37
20M
20.00 mi13:48:202:50:468:3212:26
9:09
+0:03
21M
21.00 mi13:58:033:00:298:369:43
9:43
+0:34
35K
21.75 mi14:04:373:07:038:366:34
8:47
-0:56
23M
23.00 mi14:15:593:18:258:3811:22
9:05
+0:18
24M
24.00 mi14:25:033:27:298:399:04
9:04
-0:01
40K
24.85 mi14:32:493:35:158:407:46
9:05
+0:01
25.2M
25.20 mi14:36:083:38:348:403:19
9:37
+0:32
Finish
26.22 mi14:44:513:47:178:408:43
8:33
-1:04

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

8:13 /mi

Average Pace

8:40 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:22

64% of race

Time at Steady Pace

1:12:12

32% of race

Time at Slower Pace

9:43

4% of race

Average Pace: 8:40 /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 mi11:23:2225:488:1825:48
8:18
#18755
10K
6.21 mi11:48:5551:218:1625:33
8:13
#18407
15K
9.32 mi12:14:471:17:138:1725:52
8:20
#18315
20K
12.43 mi12:41:231:43:498:2126:36
8:34
#18335
Half
13.11 mi12:47:041:49:308:215:41
8:20
#18322
25K
15.53 mi13:07:392:10:058:2220:35
8:29
#18092
30K
18.64 mi13:35:542:38:208:3028:15
9:06
#18068
20M
20.00 mi13:48:202:50:468:3212:26
9:09
#18020
21M
21.00 mi13:58:033:00:298:369:43
9:43
#17989
35K
21.75 mi14:04:373:07:038:366:34
8:47
#17939
23M
23.00 mi14:15:593:18:258:3811:22
9:05
#17839
24M
24.00 mi14:25:033:27:298:399:04
9:04
#17800
40K
24.85 mi14:32:493:35:158:407:46
9:05
#17756
25.2M
25.20 mi14:36:083:38:348:403:19
9:37
#17709
Finish
26.22 mi14:44:513:47:178:408:43
8:33
#17679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi187556773677318237(Top 64%)6462(Top 53%)6462(Top 356%)
10K6.21 mi3.10 mi18407+3486563+2106563+21018076(Top 64%)6345(Top 52%)6345(Top 350%)
15K9.32 mi3.11 mi18315+926520+436520+4318237(Top 64%)6462(Top 53%)6462(Top 356%)
20K12.43 mi3.11 mi18335-206531-116531-1118620(Top 66%)6696(Top 55%)6696(Top 369%)
Half13.11 mi0.68 mi18322+136527+46527+418172(Top 64%)6422(Top 53%)6422(Top 354%)
25K15.53 mi2.42 mi18092+2306411+1166411+11617150(Top 60%)5947(Top 49%)5947(Top 328%)
30K18.64 mi3.11 mi18068+246437-266437-2618159(Top 64%)6668(Top 55%)6668(Top 368%)
20M20.00 mi1.36 mi18020+486433+46433+417542(Top 62%)6439(Top 53%)6439(Top 355%)
21M21.00 mi1.00 mi17989+316425+86425+817134(Top 60%)6332(Top 52%)6332(Top 349%)
35K21.75 mi0.75 mi17939+506408+176408+1717163(Top 60%)6442(Top 53%)6442(Top 355%)
23M23.00 mi1.25 mi17839+1006405+36405+316721(Top 59%)6288(Top 51%)6288(Top 347%)
24M24.00 mi1.00 mi17800+396425-206425-2017712(Top 62%)6878(Top 56%)6878(Top 379%)
40K24.85 mi0.85 mi17756+446418+76418+716800(Top 59%)6480(Top 53%)6480(Top 357%)
25.2M25.20 mi0.35 mi17709+476402+166402+1615267(Top 54%)5708(Top 47%)5708(Top 315%)
Finish26.22 mi1.02 mi17679+306400+26400+216603(Top 58%)6361(Top 52%)6361(Top 351%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18237

Females

6462

F45-49

6462

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18076

Females

6345

F45-49

6345

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18237

Females

6462

F45-49

6462

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18620

Females

6696

F45-49

6696

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18172

Females

6422

F45-49

6422

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

17150

Females

5947

F45-49

5947

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18159

Females

6668

F45-49

6668

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17542

Females

6439

F45-49

6439

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17134

Females

6332

F45-49

6332

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17163

Females

6442

F45-49

6442

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16721

Females

6288

F45-49

6288

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17712

Females

6878

F45-49

6878

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16800

Females

6480

F45-49

6480

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15267

Females

5708

F45-49

5708

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16603

Females

6361

F45-49

6361

Passing Analysis

Category:
Athletes Passed
2284
Passed By
1208
Net Change
+1076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18755
5K → 10K477129+348#18755#18407
10K → 15K233141+92#18407#18315
15K → 20K185205-20#18315#18335
20K → Half4431+13#18335#18322
Half → 25K28555+230#18322#18092
25K → 30K257233+24#18092#18068
30K → 20M14597+48#18068#18020
20M → 21M10372+31#18020#17989
21M → 35K8333+50#17989#17939
35K → 23M15252+100#17939#17839
23M → 24M9960+39#17839#17800
24M → 40K8137+44#17800#17756
40K → 25.2M5912+47#17756#17709
25.2M → Finish8151+30#17709#17679
TOTALS22841208+1076
📊

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