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BOSTON MARATHON 2026

Nicole Souza

Bib: 18580•F

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Age Group (F18-39)
#0 / 5716
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
23:58
3.11 mi
Rank: #14698
Start → 5K
23:58 | 7:43/mi
10K
47:40
6.21 mi
Rank: #14364 (+334)
5K → 10K
23:42 | 7:38/mi
15K
1:11:19
9.32 mi
Rank: #14118 (+246)
10K → 15K
23:39 | 7:37/mi
20K
1:35:07
12.43 mi
Rank: #13895 (+223)
15K → 20K
23:48 | 7:40/mi
HALF
1:40:21
13.11 mi
Rank: #13927 (-32)
20K → HALF
5:14 | 7:41/mi
25K
1:59:09
15.53 mi
Rank: #13819 (+108)
HALF → 25K
18:48 | 7:46/mi
30K
2:24:53
18.64 mi
Rank: #14141 (-322)
25K → 30K
25:44 | 8:17/mi
20M
2:36:32
20.00 mi
Rank: #14327 (-186)
30K → 20M
11:39 | 8:35/mi
21M
2:45:33
21.00 mi
Rank: #14402 (-75)
20M → 21M
9:01 | 9:01/mi
35K
2:52:06
21.75 mi
Rank: #14617 (-215)
21M → 35K
6:33 | 8:46/mi
23M
3:03:29
23.00 mi
Rank: #14955 (-338)
35K → 23M
11:23 | 9:06/mi
24M
3:12:32
24.00 mi
Rank: #15232 (-277)
23M → 24M
9:03 | 9:03/mi
40K
3:20:19
24.85 mi
Rank: #15397 (-165)
24M → 40K
7:47 | 9:07/mi
25.2M
3:23:40
25.20 mi
Rank: #15445 (-48)
40K → 25.2M
3:21 | 9:43/mi
FINISH
3:32:04
26.22 mi
Rank: #15515 (-70)
25.2M → FINISH
8:24 | 8:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:21
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:51:43
Pace8:32 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:0623:587:4323:58
7:43
-
10K
6.21 mi11:29:4847:407:4123:42
7:38
-0:05
15K
9.32 mi11:53:271:11:197:4023:39
7:37
-0:01
20K
12.43 mi12:17:151:35:077:4023:48
7:40
+0:03
HALF
13.11 mi12:22:291:40:217:405:14
7:41
+0:01
25K
15.53 mi12:41:171:59:097:4118:48
7:46
+0:05
30K
18.64 mi13:07:012:24:537:4725:44
8:17
+0:31
20M
20.00 mi13:18:402:36:327:5011:39
8:35
+0:18
21M
21.00 mi13:27:412:45:337:549:01
9:01
+0:26
35K
21.75 mi13:34:142:52:067:556:33
8:46
-0:15
23M
23.00 mi13:45:373:03:297:5911:23
9:06
+0:20
24M
24.00 mi13:54:403:12:328:029:03
9:03
-0:03
40K
24.85 mi14:02:273:20:198:047:47
9:07
+0:04
25.2M
25.20 mi14:05:483:23:408:053:21
9:43
+0:36
FINISH
26.22 mi14:14:123:32:048:068:24
8:15
-1:28

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

7:37 /mi

Average Pace

8:06 /mi

Slowest Pace

9:43 /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

1:59:09

56% of race

Time at Steady Pace

45:47

22% of race

Time at Slower Pace

47:08

22% of race

Average Pace: 8:05 /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 mi11:06:0623:587:4323:58
7:43
#14698
10K
6.21 mi11:29:4847:407:4123:42
7:38
#14364
15K
9.32 mi11:53:271:11:197:4023:39
7:37
#14118
20K
12.43 mi12:17:151:35:077:4023:48
7:40
#13895
HALF
13.11 mi12:22:291:40:217:405:14
7:41
#13927
25K
15.53 mi12:41:171:59:097:4118:48
7:46
#13819
30K
18.64 mi13:07:012:24:537:4725:44
8:17
#14141
20M
20.00 mi13:18:402:36:327:5011:39
8:35
#14327
21M
21.00 mi13:27:412:45:337:549:01
9:01
#14402
35K
21.75 mi13:34:142:52:067:556:33
8:46
#14617
23M
23.00 mi13:45:373:03:297:5911:23
9:06
#14955
24M
24.00 mi13:54:403:12:328:029:03
9:03
#15232
40K
24.85 mi14:02:273:20:198:047:47
9:07
#15397
25.2M
25.20 mi14:05:483:23:408:053:21
9:43
#15445
FINISH
26.22 mi14:14:123:32:048:068:24
8:15
#15515
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 mi146984486448613802(Top 48%)4039(Top 32%)4039(Top 71%)
10K6.21 mi3.10 mi14364+3344315+1714315+17114132(Top 49%)4196(Top 33%)4196(Top 73%)
15K9.32 mi3.11 mi14118+2464199+1164199+11613802(Top 48%)4039(Top 32%)4039(Top 71%)
20K12.43 mi3.11 mi13895+2234085+1144085+11413390(Top 46%)3884(Top 31%)3884(Top 68%)
HALF13.11 mi0.68 mi13927-324106-214106-2114652(Top 50%)4539(Top 36%)4539(Top 79%)
25K15.53 mi2.42 mi13819+1084059+474059+4713471(Top 46%)4001(Top 32%)4001(Top 70%)
30K18.64 mi3.11 mi14141-3224289-2304289-23015505(Top 53%)5247(Top 42%)5247(Top 92%)
20M20.00 mi1.36 mi14327-1864423-1344423-13416644(Top 57%)5995(Top 48%)5995(Top 105%)
21M21.00 mi1.00 mi14402-754477-544477-5416228(Top 56%)5813(Top 46%)5813(Top 102%)
35K21.75 mi0.75 mi14617-2154639-1624639-16218890(Top 65%)7357(Top 58%)7357(Top 129%)
23M23.00 mi1.25 mi14955-3384875-2364875-23618958(Top 65%)7441(Top 59%)7441(Top 130%)
24M24.00 mi1.00 mi15232-2775054-1795054-17919675(Top 68%)7881(Top 63%)7881(Top 138%)
40K24.85 mi0.85 mi15397-1655169-1155169-11518883(Top 65%)7505(Top 60%)7505(Top 131%)
25.2M25.20 mi0.35 mi15445-485208-395208-3918283(Top 63%)7175(Top 57%)7175(Top 126%)
FINISH26.22 mi1.02 mi15515-705265-575265-5716682(Top 57%)6328(Top 50%)6328(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

13802

Females

4039

F18-39

4039

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14132

Females

4196

F18-39

4196

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

13802

Females

4039

F18-39

4039

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13390

Females

3884

F18-39

3884

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14652

Females

4539

F18-39

4539

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13471

Females

4001

F18-39

4001

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15505

Females

5247

F18-39

5247

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16644

Females

5995

F18-39

5995

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16228

Females

5813

F18-39

5813

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18890

Females

7357

F18-39

7357

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18958

Females

7441

F18-39

7441

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19675

Females

7881

F18-39

7881

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18883

Females

7505

F18-39

7505

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18283

Females

7175

F18-39

7175

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
×2
+22ft-21ft

Overall

16682

Females

6328

F18-39

6328

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1739*
Passed By
1973
Net Change
-817
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14698
5K → 10K500*166+334#14698#14364
10K → 15K331*85+246#14364#14118
15K → 20K288*65+223#14118#13895
20K → HALF1951-32#13895#13927
HALF → 25K18981+108#13927#13819
25K → 30K105200-322#13819#14141
30K → 20M54200-186#14141#14327
20M → 21M77152-75#14327#14402
21M → 35K27200-215#14402#14617
35K → 23M32200-338#14617#14955
23M → 24M27200-277#14955#15232
24M → 40K35200-165#15232#15397
40K → 25.2M2472-48#15397#15445
25.2M → FINISH31101-70#15445#15515
TOTALS1739*1973-817

* 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