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BOSTON MARATHON 2026

Susanna Clark

Bib: 18038•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 47%
Gender (Female)
#0 / 12578
Top 34%
Masters (Masters Women)
#0 / 6862
Top 17%
Age Group (F40-44)
#0 / 1737
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
22:59
3.11 mi
Rank: #11926
Start → 5K
22:59 | 7:24/mi
10K
45:41
6.21 mi
Rank: #11552 (+374)
5K → 10K
22:42 | 7:19/mi
15K
1:08:28
9.32 mi
Rank: #11464 (+88)
10K → 15K
22:47 | 7:20/mi
20K
1:31:57
12.43 mi
Rank: #11722 (-258)
15K → 20K
23:29 | 7:34/mi
HALF
1:37:01
13.11 mi
Rank: #11760 (-38)
20K → HALF
5:04 | 7:26/mi
25K
1:55:49
15.53 mi
Rank: #12035 (-275)
HALF → 25K
18:48 | 7:46/mi
30K
2:22:28
18.64 mi
Rank: #13063 (-1028)
25K → 30K
26:39 | 8:35/mi
20M
2:35:04
20.00 mi
Rank: #13710 (-647)
30K → 20M
12:36 | 9:17/mi
21M
2:43:50
21.00 mi
Rank: #13753 (-43)
20M → 21M
8:46 | 8:46/mi
35K
2:49:35
21.75 mi
Rank: #13687 (+66)
21M → 35K
5:45 | 7:42/mi
23M
2:59:59
23.00 mi
Rank: #13731 (-44)
35K → 23M
10:24 | 8:19/mi
24M
3:07:52
24.00 mi
Rank: #13689 (+42)
23M → 24M
7:53 | 7:53/mi
40K
3:15:12
24.85 mi
Rank: #13772 (-83)
24M → 40K
7:20 | 8:35/mi
25.2M
3:18:11
25.20 mi
Rank: #13751 (+21)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:26:02
26.22 mi
Rank: #13722 (+29)
25.2M → FINISH
7:51 | 7:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:01
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:49:01
Pace8:19 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:2422:597:2422:59
7:24
-
10K
6.21 mi11:28:0645:417:2222:42
7:19
-0:05
15K
9.32 mi11:50:531:08:287:2122:47
7:20
+0:01
20K
12.43 mi12:14:221:31:577:2423:29
7:34
+0:14
HALF
13.11 mi12:19:261:37:017:255:04
7:26
-0:08
25K
15.53 mi12:38:141:55:497:2818:48
7:46
+0:20
30K
18.64 mi13:04:532:22:287:3926:39
8:35
+0:49
20M
20.00 mi13:17:292:35:047:4612:36
9:17
+0:42
21M
21.00 mi13:26:152:43:507:498:46
8:46
-0:31
35K
21.75 mi13:32:002:49:357:485:45
7:42
-1:04
23M
23.00 mi13:42:242:59:597:5010:24
8:19
+0:37
24M
24.00 mi13:50:173:07:527:507:53
7:53
-0:26
40K
24.85 mi13:57:373:15:127:527:20
8:35
+0:42
25.2M
25.20 mi14:00:363:18:117:522:59
8:40
+0:05
FINISH
26.22 mi14:08:273:26:027:527:51
7:43
-0:57

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

7:19 /mi

Average Pace

7:52 /mi

Slowest Pace

9:17 /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

1:13:32

36% of race

Time at Steady Pace

1:03:46

31% of race

Time at Slower Pace

1:08:44

33% of race

Average Pace: 7:51 /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 mi11:05:2422:597:2422:59
7:24
#11926
10K
6.21 mi11:28:0645:417:2222:42
7:19
#11552
15K
9.32 mi11:50:531:08:287:2122:47
7:20
#11464
20K
12.43 mi12:14:221:31:577:2423:29
7:34
#11722
HALF
13.11 mi12:19:261:37:017:255:04
7:26
#11760
25K
15.53 mi12:38:141:55:497:2818:48
7:46
#12035
30K
18.64 mi13:04:532:22:287:3926:39
8:35
#13063
20M
20.00 mi13:17:292:35:047:4612:36
9:17
#13710
21M
21.00 mi13:26:152:43:507:498:46
8:46
#13753
35K
21.75 mi13:32:002:49:357:485:45
7:42
#13687
23M
23.00 mi13:42:242:59:597:5010:24
8:19
#13731
24M
24.00 mi13:50:173:07:527:507:53
7:53
#13689
40K
24.85 mi13:57:373:15:127:527:20
8:35
#13772
25.2M
25.20 mi14:00:363:18:117:522:59
8:40
#13751
FINISH
26.22 mi14:08:273:26:027:527:51
7:43
#13722
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 mi119262874287411385(Top 39%)2687(Top 21%)2687(Top 155%)
10K6.21 mi3.10 mi11552+3742696+1782696+17811241(Top 39%)2574(Top 20%)2574(Top 148%)
15K9.32 mi3.11 mi11464+882677+192677+1911385(Top 39%)2687(Top 21%)2687(Top 155%)
20K12.43 mi3.11 mi11722-2582849-1722849-17212498(Top 43%)3385(Top 27%)3385(Top 195%)
HALF13.11 mi0.68 mi11760-382870-212870-2112536(Top 43%)3346(Top 27%)3346(Top 193%)
25K15.53 mi2.42 mi12035-2753052-1823052-18213464(Top 46%)3994(Top 32%)3994(Top 230%)
30K18.64 mi3.11 mi13063-10283679-6273679-62717355(Top 60%)6309(Top 50%)6309(Top 363%)
20M20.00 mi1.36 mi13710-6474063-3844063-38420187(Top 70%)7901(Top 63%)7901(Top 455%)
21M21.00 mi1.00 mi13753-434111-484111-4814782(Top 51%)5014(Top 40%)5014(Top 289%)
35K21.75 mi0.75 mi13687+664092+194092+1912278(Top 42%)3695(Top 29%)3695(Top 213%)
23M23.00 mi1.25 mi13731-444157-654157-6514538(Top 50%)5013(Top 40%)5013(Top 289%)
24M24.00 mi1.00 mi13689+424156+14156+112946(Top 45%)4227(Top 34%)4227(Top 243%)
40K24.85 mi0.85 mi13772-834214-584214-5816154(Top 56%)6048(Top 48%)6048(Top 348%)
25.2M25.20 mi0.35 mi13751+214214421412660(Top 44%)4192(Top 33%)4192(Top 241%)
FINISH26.22 mi1.02 mi13722+294222-84222-813041(Top 45%)4405(Top 35%)4405(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21
+97ft-345ft

Overall

11385

Females

2687

F40-44

2687

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11241

Females

2574

F40-44

2574

10K→15K

6.2 - 9.3 mi

Top 39%
×3
+67ft-78ft

Overall

11385

Females

2687

F40-44

2687

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12498

Females

3385

F40-44

3385

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12536

Females

3346

F40-44

3346

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13464

Females

3994

F40-44

3994

25K→30K

15.5 - 18.6 mi

Top 60%
×9
+181ft-148ft

Overall

17355

Females

6309

F40-44

6309

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20187

Females

7901

F40-44

7901

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14782

Females

5014

F40-44

5014

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12278

Females

3695

F40-44

3695

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14538

Females

5013

F40-44

5013

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

12946

Females

4227

F40-44

4227

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16154

Females

6048

F40-44

6048

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12660

Females

4192

F40-44

4192

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13041

Females

4405

F40-44

4405

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1443*
Passed By
1624
Net Change
-1796
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11926
5K → 10K490*116+374#11926#11552
10K → 15K232*144+88#11552#11464
15K → 20K91200-258#11464#11722
20K → HALF1856-38#11722#11760
HALF → 25K58200-275#11760#12035
25K → 30K35200-1028#12035#13063
30K → 20M23200-647#13063#13710
20M → 21M77120-43#13710#13753
21M → 35K8418+66#13753#13687
35K → 23M88132-44#13687#13731
23M → 24M9250+42#13731#13689
24M → 40K35118-83#13689#13772
40K → 25.2M4322+21#13772#13751
25.2M → FINISH7748+29#13751#13722
TOTALS1443*1624-1796

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing