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BOSTON MARATHON 2025

Kassidi Jones

Bib: 11960•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 31%
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
7:15/mi
22:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:10
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:07:46
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:30:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:35:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:54:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:18:38
↑ 181↓ 1480.2%
20M
8:01/mi
2:29:31
↑ 64↓ 500.2%
21M
8:28/mi
2:37:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:43:44
↑ 17↓ 861.7%
23M
8:03/mi
2:53:49
↑ 23↓ 630.6%
24M
7:49/mi
3:01:38
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:08:24
↓ 200.3%
25.2M
8:42/mi
3:11:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:19:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:52
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:43:24
Pace7:53 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5322:317:1522:31
7:15
-
10K
6.21 mi11:12:3245:107:1622:39
7:17
+0:02
15K
9.32 mi11:35:081:07:467:1622:36
7:16
-0:01
20K
12.43 mi11:58:111:30:497:1823:03
7:25
+0:09
Half
13.11 mi12:03:141:35:527:195:03
7:24
-0:01
25K
15.53 mi12:21:381:54:167:2118:24
7:35
+0:11
30K
18.64 mi12:46:002:18:387:2624:22
7:51
+0:16
20M
20.00 mi12:56:532:29:317:2910:53
8:01
+0:10
21M
21.00 mi13:05:212:37:597:318:28
8:28
+0:27
35K
21.75 mi13:11:062:43:447:325:45
7:41
-0:47
23M
23.00 mi13:21:112:53:497:3310:05
8:03
+0:22
24M
24.00 mi13:29:003:01:387:347:49
7:49
-0:14
40K
24.85 mi13:35:463:08:247:356:46
7:55
+0:06
25.2M
25.20 mi13:38:463:11:247:363:00
8:42
+0:47
Finish
26.22 mi13:46:383:19:167:367:52
7:43
-0:59

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

7:15 /mi

Average Pace

7:36 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:52

48% of race

Time at Steady Pace

1:10:58

36% of race

Time at Slower Pace

32:26

16% of race

Average Pace: 7:36 /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 mi10:49:5322:317:1522:31
7:15
#9895
10K
6.21 mi11:12:3245:107:1622:39
7:17
#10084
15K
9.32 mi11:35:081:07:467:1622:36
7:16
#9955
20K
12.43 mi11:58:111:30:497:1823:03
7:25
#9951
Half
13.11 mi12:03:141:35:527:195:03
7:24
#9989
25K
15.53 mi12:21:381:54:167:2118:24
7:35
#10060
30K
18.64 mi12:46:002:18:387:2624:22
7:51
#10028
20M
20.00 mi12:56:532:29:317:2910:53
8:01
#10012
21M
21.00 mi13:05:212:37:597:318:28
8:28
#10025
35K
21.75 mi13:11:062:43:447:325:45
7:41
#9990
23M
23.00 mi13:21:112:53:497:3310:05
8:03
#9993
24M
24.00 mi13:29:003:01:387:347:49
7:49
#9962
40K
24.85 mi13:35:463:08:247:356:46
7:55
#9908
25.2M
25.20 mi13:38:463:11:247:363:00
8:42
#9904
Finish
26.22 mi13:46:383:19:167:367:52
7:43
#9916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9895176117619796(Top 34%)1798(Top 15%)1798(Top 33%)
10K6.21 mi3.10 mi10084-1891851-901851-9010282(Top 36%)1957(Top 16%)1957(Top 36%)
15K9.32 mi3.11 mi9955+1291821+301821+309796(Top 34%)1798(Top 15%)1798(Top 33%)
20K12.43 mi3.11 mi9951+41839-181839-1810074(Top 35%)1993(Top 16%)1993(Top 36%)
Half13.11 mi0.68 mi9989-381868-291868-2910949(Top 39%)2391(Top 20%)2391(Top 44%)
25K15.53 mi2.42 mi10060-711939-711939-7110688(Top 38%)2419(Top 20%)2419(Top 44%)
30K18.64 mi3.11 mi10028+321965-261965-2610247(Top 36%)2406(Top 20%)2406(Top 44%)
20M20.00 mi1.36 mi10012+161994-291994-2910515(Top 37%)2689(Top 22%)2689(Top 49%)
21M21.00 mi1.00 mi10025-132044-502044-5010258(Top 36%)2733(Top 22%)2733(Top 50%)
35K21.75 mi0.75 mi9990+352063-192063-1910008(Top 35%)2594(Top 21%)2594(Top 47%)
23M23.00 mi1.25 mi9993-32108-452108-4510434(Top 37%)2957(Top 24%)2957(Top 54%)
24M24.00 mi1.00 mi9962+312123-152123-159943(Top 35%)2773(Top 23%)2773(Top 51%)
40K24.85 mi0.85 mi9908+542134-112134-119591(Top 34%)2716(Top 22%)2716(Top 50%)
25.2M25.20 mi0.35 mi9904+42144-102144-1010038(Top 35%)3025(Top 25%)3025(Top 55%)
Finish26.22 mi1.02 mi9916-122178-342178-3410863(Top 38%)3384(Top 28%)3384(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9796

Females

1798

F18-39

1798

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10282

Females

1957

F18-39

1957

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9796

Females

1798

F18-39

1798

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

10074

Females

1993

F18-39

1993

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10949

Females

2391

F18-39

2391

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10688

Females

2419

F18-39

2419

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10247

Females

2406

F18-39

2406

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10515

Females

2689

F18-39

2689

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10258

Females

2733

F18-39

2733

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

10008

Females

2594

F18-39

2594

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10434

Females

2957

F18-39

2957

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9943

Females

2773

F18-39

2773

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9591

Females

2716

F18-39

2716

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10038

Females

3025

F18-39

3025

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10863

Females

3384

F18-39

3384

Passing Analysis

Category:
Athletes Passed
1692*
Passed By
1702
Net Change
-21
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9895
5K → 10K150337-189#9895#10084
10K → 15K244*115+129#10084#9955
15K → 20K191186+4#9955#9951
20K → Half1754-38#9951#9989
Half → 25K126195-71#9989#10060
25K → 30K245213+32#10060#10028
30K → 20M129112+16#10028#10012
20M → 21M108120-13#10012#10025
21M → 35K8146+35#10025#9990
35K → 23M99101-3#9990#9993
23M → 24M9866+31#9993#9962
24M → 40K9843+54#9962#9908
40K → 25.2M3531+4#9908#9904
25.2M → Finish7183-12#9904#9916
TOTALS1692*1702-21

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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