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BOSTON MARATHON 2025

Jackie Kellestine

Bib: 20127•F

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Masters (Masters Women)
#0 / 6759
Top 26%
Division (F40-44)
#0 / 1718
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:32
Rank: #18237
Start → 5K
25:32 | 8:13/mi
10K· 6.21 mi
50:39
Rank: #17646 (+591)
5K → 10K
25:07 | 8:05/mi
15K· 9.32 mi
1:15:31
Rank: #17107 (+539)
10K → 15K
24:52 | 8:00/mi
20K· 12.43 mi
1:40:07
Rank: #16352 (+755)
15K → 20K
24:36 | 7:55/mi
Half· 13.11 mi
1:45:30
Rank: #16284 (+68)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:04:42
Rank: #15781 (+503)
Half → 25K
19:12 | 7:55/mi
30K· 18.64 mi
2:30:29
Rank: #15305 (+476)
25K → 30K
25:47 | 8:18/mi
20M
2:43:47
Rank: #15781 (-476)
30K → 20M
13:18 | 9:47/mi
21M
2:52:32
Rank: #15507 (+274)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:58:48
Rank: #15475 (+32)
21M → 35K
6:16 | 8:23/mi
23M
3:09:31
Rank: #15316 (+159)
35K → 23M
10:43 | 8:34/mi
24M
3:17:46
Rank: #15187 (+129)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:25:22
Rank: #15190 (-3)
24M → 40K
7:36 | 8:53/mi
25.2M
3:28:35
Rank: #15155 (+35)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:36:49
Rank: #15051 (+104)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:51:19
Pace8:29 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4825:328:1325:32
8:13
-
10K
6.21 mi11:42:5550:398:0925:07
8:05
-0:08
15K
9.32 mi12:07:471:15:318:0624:52
8:00
-0:05
20K
12.43 mi12:32:231:40:078:0324:36
7:55
-0:05
Half
13.11 mi12:37:461:45:308:035:23
7:53
-0:02
25K
15.53 mi12:56:582:04:428:0219:12
7:55
+0:02
30K
18.64 mi13:22:452:30:298:0425:47
8:18
+0:23
20M
20.00 mi13:36:032:43:478:1113:18
9:47
+1:29
21M
21.00 mi13:44:482:52:328:138:45
8:45
-1:02
35K
21.75 mi13:51:042:58:488:136:16
8:23
-0:22
23M
23.00 mi14:01:473:09:318:1410:43
8:34
+0:11
24M
24.00 mi14:10:023:17:468:148:15
8:15
-0:19
40K
24.85 mi14:17:383:25:228:167:36
8:53
+0:38
25.2M
25.20 mi14:20:513:28:358:173:13
9:20
+0:27
Finish
26.22 mi14:29:053:36:498:178:14
8:05
-1:15

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

7:53 /mi

Average Pace

8:17 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:11

23% of race

Time at Steady Pace

2:04:03

57% of race

Time at Slower Pace

43:35

20% of race

Average Pace: 8:16 /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 mi11:17:4825:328:1325:32
8:13
#18237
10K
6.21 mi11:42:5550:398:0925:07
8:05
#17646
15K
9.32 mi12:07:471:15:318:0624:52
8:00
#17107
20K
12.43 mi12:32:231:40:078:0324:36
7:55
#16352
Half
13.11 mi12:37:461:45:308:035:23
7:53
#16284
25K
15.53 mi12:56:582:04:428:0219:12
7:55
#15781
30K
18.64 mi13:22:452:30:298:0425:47
8:18
#15305
20M
20.00 mi13:36:032:43:478:1113:18
9:47
#15781
21M
21.00 mi13:44:482:52:328:138:45
8:45
#15507
35K
21.75 mi13:51:042:58:488:136:16
8:23
#15475
23M
23.00 mi14:01:473:09:318:1410:43
8:34
#15316
24M
24.00 mi14:10:023:17:468:148:15
8:15
#15187
40K
24.85 mi14:17:383:25:228:167:36
8:53
#15190
25.2M
25.20 mi14:20:513:28:358:173:13
9:20
#15155
Finish
26.22 mi14:29:053:36:498:178:14
8:05
#15051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi182376481648116083(Top 57%)5188(Top 42%)5188(Top 302%)
10K6.21 mi3.10 mi17646+5916118+3636118+36317089(Top 60%)5754(Top 47%)5754(Top 335%)
15K9.32 mi3.11 mi17107+5395775+3435775+34316083(Top 57%)5188(Top 42%)5188(Top 302%)
20K12.43 mi3.11 mi16352+7555353+4225353+42214276(Top 50%)4240(Top 35%)4240(Top 247%)
Half13.11 mi0.68 mi16284+685323+305323+3015087(Top 53%)4670(Top 38%)4670(Top 272%)
25K15.53 mi2.42 mi15781+5035042+2815042+28113274(Top 47%)3817(Top 31%)3817(Top 222%)
30K18.64 mi3.11 mi15305+4764827+2154827+21513514(Top 48%)4115(Top 34%)4115(Top 240%)
20M20.00 mi1.36 mi15781-4765142-3155142-31520258(Top 71%)7937(Top 65%)7937(Top 462%)
21M21.00 mi1.00 mi15507+2745016+1265016+12612031(Top 42%)3624(Top 30%)3624(Top 211%)
35K21.75 mi0.75 mi15475+325013+35013+314747(Top 52%)5096(Top 42%)5096(Top 297%)
23M23.00 mi1.25 mi15316+1594964+494964+4913688(Top 48%)4639(Top 38%)4639(Top 270%)
24M24.00 mi1.00 mi15187+1294915+494915+4912946(Top 46%)4296(Top 35%)4296(Top 250%)
40K24.85 mi0.85 mi15190-34951-364951-3615711(Top 55%)5895(Top 48%)5895(Top 343%)
25.2M25.20 mi0.35 mi15155+354942+94942+913672(Top 48%)4852(Top 40%)4852(Top 282%)
Finish26.22 mi1.02 mi15051+1044903+394903+3913474(Top 47%)4682(Top 38%)4682(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16083

Females

5188

F40-44

5188

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17089

Females

5754

F40-44

5754

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16083

Females

5188

F40-44

5188

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14276

Females

4240

F40-44

4240

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15087

Females

4670

F40-44

4670

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13274

Females

3817

F40-44

3817

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13514

Females

4115

F40-44

4115

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20258

Females

7937

F40-44

7937

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

12031

Females

3624

F40-44

3624

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14747

Females

5096

F40-44

5096

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13688

Females

4639

F40-44

4639

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12946

Females

4296

F40-44

4296

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15711

Females

5895

F40-44

5895

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13672

Females

4852

F40-44

4852

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13474

Females

4682

F40-44

4682

Passing Analysis

Category:
Athletes Passed
4102
Passed By
916
Net Change
+3186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18237
5K → 10K66877+591#18237#17646
10K → 15K57233+539#17646#17107
15K → 20K76611+755#17107#16352
20K → Half746+68#16352#16284
Half → 25K5085+503#16284#15781
25K → 30K52347+476#15781#15305
30K → 20M40516-476#15305#15781
20M → 21M28511+274#15781#15507
21M → 35K7240+32#15507#15475
35K → 23M19637+159#15475#15316
23M → 24M14819+129#15316#15187
24M → 40K6467-3#15187#15190
40K → 25.2M5520+35#15190#15155
25.2M → Finish13127+104#15155#15051
TOTALS4102916+3186
📊

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