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BOSTON MARATHON 2026

Cate Chamberlain

Bib: 13785•F

NY

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 38%
Gender (Female)
#0 / 12578
Top 22%
Age Group (F18-39)
#0 / 5716
Top 38%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
21:31
3.11 mi
Rank: #7968
Start → 5K
21:31 | 6:56/mi
10K
43:01
6.21 mi
Rank: #8015 (-47)
5K → 10K
21:30 | 6:56/mi
15K
1:04:59
9.32 mi
Rank: #8373 (-358)
10K → 15K
21:58 | 7:05/mi
20K
1:28:00
12.43 mi
Rank: #8960 (-587)
15K → 20K
23:01 | 7:25/mi
HALF
1:32:58
13.11 mi
Rank: #9043 (-83)
20K → HALF
4:58 | 7:18/mi
25K
1:51:22
15.53 mi
Rank: #9462 (-419)
HALF → 25K
18:24 | 7:36/mi
30K
2:15:49
18.64 mi
Rank: #9947 (-485)
25K → 30K
24:27 | 7:53/mi
20M
2:26:54
20.00 mi
Rank: #10218 (-271)
30K → 20M
11:05 | 8:10/mi
21M
2:35:34
21.00 mi
Rank: #10485 (-267)
20M → 21M
8:40 | 8:40/mi
35K
2:41:30
21.75 mi
Rank: #10626 (-141)
21M → 35K
5:56 | 7:56/mi
23M
2:51:47
23.00 mi
Rank: #10799 (-173)
35K → 23M
10:17 | 8:14/mi
24M
2:59:42
24.00 mi
Rank: #10861 (-62)
23M → 24M
7:55 | 7:55/mi
40K
3:06:38
24.85 mi
Rank: #10933 (-72)
24M → 40K
6:56 | 8:07/mi
25.2M
3:09:44
25.20 mi
Rank: #10987 (-54)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:17:34
26.22 mi
Rank: #11022 (-35)
25.2M → FINISH
7:50 | 7:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:58
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:44:36
Pace7:59 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3721:316:5621:31
6:56
-
10K
6.21 mi11:12:0743:016:5621:30
6:56
0:00
15K
9.32 mi11:34:051:04:596:5921:58
7:05
+0:09
20K
12.43 mi11:57:061:28:007:0523:01
7:25
+0:20
HALF
13.11 mi12:02:041:32:587:064:58
7:18
-0:07
25K
15.53 mi12:20:281:51:227:1118:24
7:36
+0:18
30K
18.64 mi12:44:552:15:497:1824:27
7:53
+0:17
20M
20.00 mi12:56:002:26:547:2111:05
8:10
+0:17
21M
21.00 mi13:04:402:35:347:258:40
8:40
+0:30
35K
21.75 mi13:10:362:41:307:265:56
7:56
-0:44
23M
23.00 mi13:20:532:51:477:2910:17
8:14
+0:18
24M
24.00 mi13:28:482:59:427:307:55
7:55
-0:19
40K
24.85 mi13:35:443:06:387:316:56
8:07
+0:12
25.2M
25.20 mi13:38:503:09:447:323:06
9:00
+0:53
FINISH
26.22 mi13:46:403:17:347:337:50
7:42
-1:18

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:56 /mi

Average Pace

7:32 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:32:58

47% of race

Time at Steady Pace

1:22:33

42% of race

Time at Slower Pace

22:03

11% of race

Average Pace: 7:32 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:50:3721:316:5621:31
6:56
#7968
10K
6.21 mi11:12:0743:016:5621:30
6:56
#8015
15K
9.32 mi11:34:051:04:596:5921:58
7:05
#8373
20K
12.43 mi11:57:061:28:007:0523:01
7:25
#8960
HALF
13.11 mi12:02:041:32:587:064:58
7:18
#9043
25K
15.53 mi12:20:281:51:227:1118:24
7:36
#9462
30K
18.64 mi12:44:552:15:497:1824:27
7:53
#9947
20M
20.00 mi12:56:002:26:547:2111:05
8:10
#10218
21M
21.00 mi13:04:402:35:347:258:40
8:40
#10485
35K
21.75 mi13:10:362:41:307:265:56
7:56
#10626
23M
23.00 mi13:20:532:51:477:2910:17
8:14
#10799
24M
24.00 mi13:28:482:59:427:307:55
7:55
#10861
40K
24.85 mi13:35:443:06:387:316:56
8:07
#10933
25.2M
25.20 mi13:38:503:09:447:323:06
9:00
#10987
FINISH
26.22 mi13:46:403:17:347:337:50
7:42
#11022
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi7968107210729058(Top 31%)1516(Top 12%)1516(Top 27%)
10K6.21 mi3.10 mi8015-471092-201092-208101(Top 28%)1133(Top 9%)1133(Top 20%)
15K9.32 mi3.11 mi8373-3581235-1431235-1439058(Top 31%)1516(Top 12%)1516(Top 27%)
20K12.43 mi3.11 mi8960-5871466-2311466-23111211(Top 39%)2689(Top 21%)2689(Top 47%)
HALF13.11 mi0.68 mi9043-831494-281494-2811147(Top 38%)2560(Top 20%)2560(Top 45%)
25K15.53 mi2.42 mi9462-4191713-2191713-21912153(Top 42%)3247(Top 26%)3247(Top 57%)
30K18.64 mi3.11 mi9947-4852014-3012014-30112507(Top 43%)3576(Top 28%)3576(Top 63%)
20M20.00 mi1.36 mi10218-2712181-1672181-16713963(Top 48%)4462(Top 35%)4462(Top 78%)
21M21.00 mi1.00 mi10485-2672336-1552336-15514189(Top 49%)4676(Top 37%)4676(Top 82%)
35K21.75 mi0.75 mi10626-1412429-932429-9313992(Top 48%)4621(Top 37%)4621(Top 81%)
23M23.00 mi1.25 mi10799-1732544-1152544-11513915(Top 48%)4653(Top 37%)4653(Top 81%)
24M24.00 mi1.00 mi10861-622596-522596-5213141(Top 45%)4319(Top 34%)4319(Top 76%)
40K24.85 mi0.85 mi10933-722655-592655-5913202(Top 45%)4425(Top 35%)4425(Top 77%)
25.2M25.20 mi0.35 mi10987-542688-332688-3314657(Top 51%)5226(Top 42%)5226(Top 91%)
FINISH26.22 mi1.02 mi11022-352739-512739-5112887(Top 44%)4319(Top 34%)4319(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21
+97ft-345ft

Overall

9058

Females

1516

F18-39

1516

5K→10K

3.1 - 6.2 mi

Top 28%
×5
+79ft-138ft

Overall

8101

Females

1133

F18-39

1133

10K→15K

6.2 - 9.3 mi

Top 31%
×3
+67ft-78ft

Overall

9058

Females

1516

F18-39

1516

15K→20K

9.3 - 12.4 mi

Top 39%
×5
+106ft-86ft

Overall

11211

Females

2689

F18-39

2689

20K→HALF

12.4 - 13.1 mi

Top 38%
×2
+19ft-37ft

Overall

11147

Females

2560

F18-39

2560

HALF→25K

13.1 - 15.5 mi

Top 42%
×4
+66ft-88ft

Overall

12153

Females

3247

F18-39

3247

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12507

Females

3576

F18-39

3576

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13963

Females

4462

F18-39

4462

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14189

Females

4676

F18-39

4676

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13992

Females

4621

F18-39

4621

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

13915

Females

4653

F18-39

4653

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13141

Females

4319

F18-39

4319

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13202

Females

4425

F18-39

4425

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14657

Females

5226

F18-39

5226

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12887

Females

4319

F18-39

4319

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
741
Passed By
2272
Net Change
-3054
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7968
5K → 10K184200-47#7968#8015
10K → 15K38200-358#8015#8373
15K → 20K33200-587#8373#8960
20K → HALF487-83#8960#9043
HALF → 25K41200-419#9043#9462
25K → 30K71200-485#9462#9947
30K → 20M41200-271#9947#10218
20M → 21M44200-267#10218#10485
21M → 35K23164-141#10485#10626
35K → 23M64200-173#10626#10799
23M → 24M66128-62#10799#10861
24M → 40K53125-72#10861#10933
40K → 25.2M1973-54#10933#10987
25.2M → FINISH6095-35#10987#11022
TOTALS7412272-3054
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing