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BOSTON MARATHON 2026

Cailin Joyce

Bib: 21749•F

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
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
27:28
3.11 mi
Rank: #21902
Start → 5K
27:28 | 8:51/mi
10K
55:22
6.21 mi
Rank: #22344 (-442)
5K → 10K
27:54 | 8:59/mi
15K
1:23:18
9.32 mi
Rank: #22441 (-97)
10K → 15K
27:56 | 9:00/mi
20K
1:51:50
12.43 mi
Rank: #22483 (-42)
15K → 20K
28:32 | 9:12/mi
HALF
1:57:45
13.11 mi
Rank: #22416 (+67)
20K → HALF
5:55 | 8:41/mi
25K
2:19:25
15.53 mi
Rank: #22140 (+276)
HALF → 25K
21:40 | 8:57/mi
30K
2:46:59
18.64 mi
Rank: #21584 (+556)
25K → 30K
27:34 | 8:53/mi
20M
2:58:52
20.00 mi
Rank: #21280 (+304)
30K → 20M
11:53 | 8:45/mi
21M
3:07:23
21.00 mi
Rank: #20912 (+368)
20M → 21M
8:31 | 8:31/mi
35K
3:13:19
21.75 mi
Rank: #20694 (+218)
21M → 35K
5:56 | 7:56/mi
23M
3:23:26
23.00 mi
Rank: #20353 (+341)
35K → 23M
10:07 | 8:06/mi
24M
3:31:02
24.00 mi
Rank: #20047 (+306)
23M → 24M
7:36 | 7:36/mi
40K
3:37:40
24.85 mi
Rank: #19752 (+295)
24M → 40K
6:38 | 7:46/mi
25.2M
3:40:31
25.20 mi
Rank: #19611 (+141)
40K → 25.2M
2:51 | 8:16/mi
FINISH
3:48:26
26.22 mi
Rank: #19413 (+198)
25.2M → FINISH
7:55 | 7:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:57:45
Pace8:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:50:41
Pace8:27 /mi
📊Negative Split: 6.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3927:288:5127:28
8:51
-
10K
6.21 mi11:56:3355:228:5527:54
8:59
+0:08
15K
9.32 mi12:24:291:23:188:5727:56
9:00
+0:01
20K
12.43 mi12:53:011:51:509:0028:32
9:12
+0:12
HALF
13.11 mi12:58:561:57:458:595:55
8:41
-0:31
25K
15.53 mi13:20:362:19:258:5921:40
8:57
+0:16
30K
18.64 mi13:48:102:46:598:5827:34
8:53
-0:04
20M
20.00 mi14:00:032:58:528:5711:53
8:45
-0:08
21M
21.00 mi14:08:343:07:238:568:31
8:31
-0:14
35K
21.75 mi14:14:303:13:198:545:56
7:56
-0:35
23M
23.00 mi14:24:373:23:268:5110:07
8:06
+0:10
24M
24.00 mi14:32:133:31:028:487:36
7:36
-0:30
40K
24.85 mi14:38:513:37:408:466:38
7:46
+0:10
25.2M
25.20 mi14:41:423:40:318:462:51
8:16
+0:30
FINISH
26.22 mi14:49:373:48:268:447:55
7:47
-0:29

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

7:36 /mi

Average Pace

8:43 /mi

Slowest Pace

9:12 /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

41:03

18% of race

Time at Steady Pace

1:21:21

36% of race

Time at Slower Pace

1:46:02

46% of race

Average Pace: 8:43 /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 mi11:28:3927:288:5127:28
8:51
#21902
10K
6.21 mi11:56:3355:228:5527:54
8:59
#22344
15K
9.32 mi12:24:291:23:188:5727:56
9:00
#22441
20K
12.43 mi12:53:011:51:509:0028:32
9:12
#22483
HALF
13.11 mi12:58:561:57:458:595:55
8:41
#22416
25K
15.53 mi13:20:362:19:258:5921:40
8:57
#22140
30K
18.64 mi13:48:102:46:598:5827:34
8:53
#21584
20M
20.00 mi14:00:032:58:528:5711:53
8:45
#21280
21M
21.00 mi14:08:343:07:238:568:31
8:31
#20912
35K
21.75 mi14:14:303:13:198:545:56
7:56
#20694
23M
23.00 mi14:24:373:23:268:5110:07
8:06
#20353
24M
24.00 mi14:32:133:31:028:487:36
7:36
#20047
40K
24.85 mi14:38:513:37:408:466:38
7:46
#19752
25.2M
25.20 mi14:41:423:40:318:462:51
8:16
#19611
FINISH
26.22 mi14:49:373:48:268:447:55
7:47
#19413
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi219028643864322659(Top 78%)8952(Top 71%)8952(Top 515%)
10K6.21 mi3.10 mi22344-4428838-1958838-19522747(Top 78%)9011(Top 72%)9011(Top 519%)
15K9.32 mi3.11 mi22441-978876-388876-3822659(Top 78%)8952(Top 71%)8952(Top 515%)
20K12.43 mi3.11 mi22483-428899-238899-2322687(Top 78%)9005(Top 72%)9005(Top 518%)
HALF13.11 mi0.68 mi22416+678869+308869+3021222(Top 73%)8221(Top 65%)8221(Top 473%)
25K15.53 mi2.42 mi22140+2768727+1428727+14220875(Top 72%)8100(Top 64%)8100(Top 466%)
30K18.64 mi3.11 mi21584+5568469+2588469+25818951(Top 65%)7188(Top 57%)7188(Top 414%)
20M20.00 mi1.36 mi21280+3048336+1338336+13317705(Top 61%)6595(Top 52%)6595(Top 380%)
21M21.00 mi1.00 mi20912+3688154+1828154+18213280(Top 46%)4221(Top 34%)4221(Top 243%)
35K21.75 mi0.75 mi20694+2188053+1018053+10114076(Top 49%)4705(Top 37%)4705(Top 271%)
23M23.00 mi1.25 mi20353+3417887+1667887+16613088(Top 45%)4223(Top 34%)4223(Top 243%)
24M24.00 mi1.00 mi20047+3067751+1367751+13610917(Top 38%)3141(Top 25%)3141(Top 181%)
40K24.85 mi0.85 mi19752+2957616+1357616+13510806(Top 37%)3182(Top 25%)3182(Top 183%)
25.2M25.20 mi0.35 mi19611+1417540+767540+7610221(Top 35%)2985(Top 24%)2985(Top 172%)
FINISH26.22 mi1.02 mi19413+1987451+897451+8913595(Top 47%)4727(Top 38%)4727(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22659

Females

8952

F40-44

8952

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22747

Females

9011

F40-44

9011

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22659

Females

8952

F40-44

8952

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22687

Females

9005

F40-44

9005

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21222

Females

8221

F40-44

8221

HALF→25K

13.1 - 15.5 mi

Top 72%
×4
+66ft-88ft

Overall

20875

Females

8100

F40-44

8100

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18951

Females

7188

F40-44

7188

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17705

Females

6595

F40-44

6595

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13280

Females

4221

F40-44

4221

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14076

Females

4705

F40-44

4705

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13088

Females

4223

F40-44

4223

23M→24M

23.0 - 24.0 mi

Top 38%
×6
+12ft-82ft

Overall

10917

Females

3141

F40-44

3141

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10806

Females

3182

F40-44

3182

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1
+13ft-16ft

Overall

10221

Females

2985

F40-44

2985

25.2M→FINISH

25.2 - 26.2 mi

Top 47%
×2
+22ft-21ft

Overall

13595

Females

4727

F40-44

4727

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3502*
Passed By
623
Net Change
+2489
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21902
5K → 10K115200-442#21902#22344
10K → 15K136200-97#22344#22441
15K → 20K158200-42#22441#22483
20K → HALF714+67#22483#22416
HALF → 25K291*15+276#22416#22140
25K → 30K557*1+556#22140#21584
30K → 20M304*0+304#21584#21280
20M → 21M368*0+368#21280#20912
21M → 35K218*0+218#20912#20694
35K → 23M342*1+341#20694#20353
23M → 24M306*0+306#20353#20047
24M → 40K295*0+295#20047#19752
40K → 25.2M1421+141#19752#19611
25.2M → FINISH1991+198#19611#19413
TOTALS3502*623+2489

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

📊

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