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BOSTON MARATHON 2026

Christa Cosenza

Bib: 28826•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
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
34:55
3.11 mi
Rank: #28286
Start → 5K
34:55 | 11:15/mi
10K
1:09:25
6.21 mi
Rank: #28064 (+222)
5K → 10K
34:30 | 11:07/mi
15K
1:43:33
9.32 mi
Rank: #27864 (+200)
10K → 15K
34:08 | 11:00/mi
20K
2:18:06
12.43 mi
Rank: #27674 (+190)
15K → 20K
34:33 | 11:08/mi
HALF
2:25:49
13.11 mi
Rank: #27673 (+1)
20K → HALF
7:43 | 11:20/mi
25K
2:54:04
15.53 mi
Rank: #27583 (+90)
HALF → 25K
28:15 | 11:39/mi
30K
3:31:47
18.64 mi
Rank: #27478 (+105)
25K → 30K
37:43 | 12:09/mi
20M
3:47:39
20.00 mi
Rank: #27386 (+92)
30K → 20M
15:52 | 11:41/mi
21M
3:59:20
21.00 mi
Rank: #27265 (+121)
20M → 21M
11:41 | 11:41/mi
35K
4:08:07
21.75 mi
Rank: #27242 (+23)
21M → 35K
8:47 | 11:45/mi
23M
4:22:47
23.00 mi
Rank: #27181 (+61)
35K → 23M
14:40 | 11:44/mi
24M
4:34:25
24.00 mi
Rank: #27151 (+30)
23M → 24M
11:38 | 11:38/mi
40K
4:44:39
24.85 mi
Rank: #27119 (+32)
24M → 40K
10:14 | 11:59/mi
25.2M
4:49:15
25.20 mi
Rank: #27115 (+4)
40K → 25.2M
4:36 | 13:21/mi
FINISH
5:00:02
26.22 mi
Rank: #27078 (+37)
25.2M → FINISH
10:47 | 10:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:25:49
Pace11:08 /mi
2nd Half
Distance13.11 mi
Time2:34:13
Pace11:46 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2334:5511:1534:55
11:15
-
10K
6.21 mi12:32:531:09:2511:1134:30
11:07
-0:08
15K
9.32 mi13:07:011:43:3311:0734:08
11:00
-0:07
20K
12.43 mi13:41:342:18:0611:0734:33
11:08
+0:08
HALF
13.11 mi13:49:172:25:4911:087:43
11:20
+0:12
25K
15.53 mi14:17:322:54:0411:1328:15
11:39
+0:19
30K
18.64 mi14:55:153:31:4711:2237:43
12:09
+0:30
20M
20.00 mi15:11:073:47:3911:2315:52
11:41
-0:28
21M
21.00 mi15:22:483:59:2011:2411:41
11:41
0:00
35K
21.75 mi15:31:354:08:0711:258:47
11:45
+0:04
23M
23.00 mi15:46:154:22:4711:2614:40
11:44
-0:01
24M
24.00 mi15:57:534:34:2511:2711:38
11:38
-0:06
40K
24.85 mi16:08:074:44:3911:2810:14
11:59
+0:21
25.2M
25.20 mi16:12:434:49:1511:294:36
13:21
+1:22
FINISH
26.22 mi16:23:305:00:0211:2810:47
10:35
-2:46

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

10:35 /mi

Average Pace

11:27 /mi

Slowest Pace

13:21 /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

2:36:36

52% of race

Time at Steady Pace

1:30:53

30% of race

Time at Slower Pace

52:33

18% of race

Average Pace: 11:27 /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 mi11:58:2334:5511:1534:55
11:15
#28286
10K
6.21 mi12:32:531:09:2511:1134:30
11:07
#28064
15K
9.32 mi13:07:011:43:3311:0734:08
11:00
#27864
20K
12.43 mi13:41:342:18:0611:0734:33
11:08
#27674
HALF
13.11 mi13:49:172:25:4911:087:43
11:20
#27673
25K
15.53 mi14:17:322:54:0411:1328:15
11:39
#27583
30K
18.64 mi14:55:153:31:4711:2237:43
12:09
#27478
20M
20.00 mi15:11:073:47:3911:2315:52
11:41
#27386
21M
21.00 mi15:22:483:59:2011:2411:41
11:41
#27265
35K
21.75 mi15:31:354:08:0711:258:47
11:45
#27242
23M
23.00 mi15:46:154:22:4711:2614:40
11:44
#27181
24M
24.00 mi15:57:534:34:2511:2711:38
11:38
#27151
40K
24.85 mi16:08:074:44:3911:2810:14
11:59
#27119
25.2M
25.20 mi16:12:434:49:1511:294:36
13:21
#27115
FINISH
26.22 mi16:23:305:00:0211:2810:47
10:35
#27078
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 mi28286120741207427396(Top 94%)11547(Top 92%)11547(Top 202%)
10K6.21 mi3.10 mi28064+22211930+14411930+14427810(Top 96%)11793(Top 94%)11793(Top 206%)
15K9.32 mi3.11 mi27864+20011809+12111809+12127396(Top 94%)11547(Top 92%)11547(Top 202%)
20K12.43 mi3.11 mi27674+19011700+10911700+10927110(Top 93%)11375(Top 90%)11375(Top 199%)
HALF13.11 mi0.68 mi27673+111702-211702-227702(Top 95%)11768(Top 94%)11768(Top 206%)
25K15.53 mi2.42 mi27583+9011661+4111661+4127183(Top 94%)11471(Top 91%)11471(Top 201%)
30K18.64 mi3.11 mi27478+10511620+4111620+4126958(Top 93%)11435(Top 91%)11435(Top 200%)
20M20.00 mi1.36 mi27386+9211572+4811572+4825970(Top 89%)10965(Top 87%)10965(Top 192%)
21M21.00 mi1.00 mi27265+12111506+6611506+6624547(Top 85%)10274(Top 82%)10274(Top 180%)
35K21.75 mi0.75 mi27242+2311495+1111495+1126433(Top 91%)11262(Top 90%)11262(Top 197%)
23M23.00 mi1.25 mi27181+6111471+2411471+2425761(Top 89%)10950(Top 87%)10950(Top 192%)
24M24.00 mi1.00 mi27151+3011464+711464+726132(Top 90%)11182(Top 89%)11182(Top 196%)
40K24.85 mi0.85 mi27119+3211458+611458+625851(Top 89%)11071(Top 88%)11071(Top 194%)
25.2M25.20 mi0.35 mi27115+411459-111459-126504(Top 91%)11366(Top 90%)11366(Top 199%)
FINISH26.22 mi1.02 mi27078+3711448+1111448+1125273(Top 87%)10781(Top 86%)10781(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21
+97ft-345ft

Overall

27396

Females

11547

F18-39

11547

5K→10K

3.1 - 6.2 mi

Top 96%
×5
+79ft-138ft

Overall

27810

Females

11793

F18-39

11793

10K→15K

6.2 - 9.3 mi

Top 94%
×3
+67ft-78ft

Overall

27396

Females

11547

F18-39

11547

15K→20K

9.3 - 12.4 mi

Top 93%
×5
+106ft-86ft

Overall

27110

Females

11375

F18-39

11375

20K→HALF

12.4 - 13.1 mi

Top 95%
×2
+19ft-37ft

Overall

27702

Females

11768

F18-39

11768

HALF→25K

13.1 - 15.5 mi

Top 94%
×4
+66ft-88ft

Overall

27183

Females

11471

F18-39

11471

25K→30K

15.5 - 18.6 mi

Top 93%
×9
+181ft-148ft

Overall

26958

Females

11435

F18-39

11435

30K→20M

18.6 - 20.0 mi

Top 89%
×5
+64ft-50ft

Overall

25970

Females

10965

F18-39

10965

20M→21M

20.0 - 21.0 mi

Top 85%
×8
+106ft-24ft

Overall

24547

Females

10274

F18-39

10274

21M→35K

21.0 - 21.8 mi

Top 91%
×7
+17ft-86ft

Overall

26433

Females

11262

F18-39

11262

35K→23M

21.8 - 23.0 mi

Top 89%
×5
+23ft-63ft

Overall

25761

Females

10950

F18-39

10950

23M→24M

23.0 - 24.0 mi

Top 90%
×6
+12ft-82ft

Overall

26132

Females

11182

F18-39

11182

24M→40K

24.0 - 24.9 mi

Top 89%
×1
+6ft-20ft

Overall

25851

Females

11071

F18-39

11071

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1
+13ft-16ft

Overall

26504

Females

11366

F18-39

11366

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25273

Females

10781

F18-39

10781

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1422*
Passed By
214
Net Change
+1208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28286
5K → 10K258*36+222#28286#28064
10K → 15K224*24+200#28064#27864
15K → 20K203*13+190#27864#27674
20K → HALF1716+1#27674#27673
HALF → 25K12131+90#27673#27583
25K → 30K13732+105#27583#27478
30K → 20M10311+92#27478#27386
20M → 21M1232+121#27386#27265
21M → 35K329+23#27265#27242
35K → 23M698+61#27242#27181
23M → 24M388+30#27181#27151
24M → 40K4210+32#27151#27119
40K → 25.2M128+4#27119#27115
25.2M → FINISH436+37#27115#27078
TOTALS1422*214+1208

* 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