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BOSTON MARATHON 2026

Fiona Masai

Bib: 28327β€’F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°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
30:23
3.11 mi
Rank: #25324
Start β†’ 5K
30:23 | 9:47/mi
10K
1:00:32
6.21 mi
Rank: #25197 (+127)
5K β†’ 10K
30:09 | 9:43/mi
15K
1:31:49
9.32 mi
Rank: #25443 (-246)
10K β†’ 15K
31:17 | 10:05/mi
20K
2:04:38
12.43 mi
Rank: #25667 (-224)
15K β†’ 20K
32:49 | 10:34/mi
HALF
2:12:24
13.11 mi
Rank: #25853 (-186)
20K β†’ HALF
7:46 | 11:24/mi
25K
2:37:17
15.53 mi
Rank: #25688 (+165)
HALF β†’ 25K
24:53 | 10:16/mi
30K
3:08:16
18.64 mi
Rank: #25213 (+475)
25K β†’ 30K
30:59 | 9:59/mi
20M
3:22:02
20.00 mi
Rank: #25047 (+166)
30K β†’ 20M
13:46 | 10:09/mi
21M
3:33:44
21.00 mi
Rank: #25022 (+25)
20M β†’ 21M
11:42 | 11:42/mi
35K
3:41:08
21.75 mi
Rank: #24943 (+79)
21M β†’ 35K
7:24 | 9:54/mi
23M
3:53:41
23.00 mi
Rank: #24789 (+154)
35K β†’ 23M
12:33 | 10:02/mi
24M
4:04:01
24.00 mi
Rank: #24749 (+40)
23M β†’ 24M
10:20 | 10:20/mi
40K
4:13:21
24.85 mi
Rank: #24735 (+14)
24M β†’ 40K
9:20 | 10:55/mi
25.2M
4:17:28
25.20 mi
Rank: #24718 (+17)
40K β†’ 25.2M
4:07 | 11:57/mi
FINISH
4:27:47
26.22 mi
Rank: #24712 (+6)
25.2M β†’ FINISH
10:19 | 10:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:12:24
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:15:23
Pace10:20 /mi
πŸ“ŠPositive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1330:239:4730:23
9:47
-
10K
6.21 mi12:27:221:00:329:4530:09
9:43
-0:04
15K
9.32 mi12:58:391:31:499:5231:17
10:05
+0:22
20K
12.43 mi13:31:282:04:3810:0232:49
10:34
+0:29
HALF
13.11 mi13:39:142:12:2410:067:46
11:24
+0:50
25K
15.53 mi14:04:072:37:1710:0824:53
10:16
-1:08
30K
18.64 mi14:35:063:08:1610:0630:59
9:59
-0:17
20M
20.00 mi14:48:523:22:0210:0713:46
10:09
+0:10
21M
21.00 mi15:00:343:33:4410:1111:42
11:42
+1:33
35K
21.75 mi15:07:583:41:0810:117:24
9:54
-1:48
23M
23.00 mi15:20:313:53:4110:1012:33
10:02
+0:08
24M
24.00 mi15:30:514:04:0110:1110:20
10:20
+0:18
40K
24.85 mi15:40:114:13:2110:129:20
10:55
+0:35
25.2M
25.20 mi15:44:184:17:2810:144:07
11:57
+1:02
FINISH
26.22 mi15:54:374:27:4710:1410:19
10:08
-1:49

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

9:43 /mi

Average Pace

10:13 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:00:32

23% of race

Time at Steady Pace

2:21:31

53% of race

Time at Slower Pace

1:05:44

25% of race

Average Pace: 10:13 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:57:1330:239:4730:23
9:47
#25324
10K
6.21 mi12:27:221:00:329:4530:09
9:43
#25197
15K
9.32 mi12:58:391:31:499:5231:17
10:05
#25443
20K
12.43 mi13:31:282:04:3810:0232:49
10:34
#25667
HALF
13.11 mi13:39:142:12:2410:067:46
11:24
#25853
25K
15.53 mi14:04:072:37:1710:0824:53
10:16
#25688
30K
18.64 mi14:35:063:08:1610:0630:59
9:59
#25213
20M
20.00 mi14:48:523:22:0210:0713:46
10:09
#25047
21M
21.00 mi15:00:343:33:4410:1111:42
11:42
#25022
35K
21.75 mi15:07:583:41:0810:117:24
9:54
#24943
23M
23.00 mi15:20:313:53:4110:1012:33
10:02
#24789
24M
24.00 mi15:30:514:04:0110:1110:20
10:20
#24749
40K
24.85 mi15:40:114:13:2110:129:20
10:55
#24735
25.2M
25.20 mi15:44:184:17:2810:144:07
11:57
#24718
FINISH
26.22 mi15:54:374:27:4710:1410:19
10:08
#24712
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 mi25324103511035125839(Top 89%)10637(Top 85%)10637(Top 186%)
10K6.21 mi3.10 mi25197+12710285+6610285+6625108(Top 87%)10229(Top 81%)10229(Top 179%)
15K9.32 mi3.11 mi25443-24610420-13510420-13525839(Top 89%)10637(Top 85%)10637(Top 186%)
20K12.43 mi3.11 mi25667-22410540-12010540-12026256(Top 90%)10898(Top 87%)10898(Top 191%)
HALF13.11 mi0.68 mi25853-18610636-9610636-9627775(Top 96%)11818(Top 94%)11818(Top 207%)
25K15.53 mi2.42 mi25688+16510564+7210564+7224923(Top 86%)10191(Top 81%)10191(Top 178%)
30K18.64 mi3.11 mi25213+47510342+22210342+22223059(Top 79%)9322(Top 74%)9322(Top 163%)
20M20.00 mi1.36 mi25047+16610272+7010272+7022929(Top 79%)9341(Top 74%)9341(Top 163%)
21M21.00 mi1.00 mi25022+2510271+110271+124572(Top 85%)10281(Top 82%)10281(Top 180%)
35K21.75 mi0.75 mi24943+7910232+3910232+3922882(Top 79%)9405(Top 75%)9405(Top 165%)
23M23.00 mi1.25 mi24789+15410172+6010172+6022241(Top 77%)9133(Top 73%)9133(Top 160%)
24M24.00 mi1.00 mi24749+4010164+810164+823706(Top 82%)9911(Top 79%)9911(Top 173%)
40K24.85 mi0.85 mi24735+1410174-1010174-1024091(Top 83%)10176(Top 81%)10176(Top 178%)
25.2M25.20 mi0.35 mi24718+1710168+610168+624363(Top 84%)10321(Top 82%)10321(Top 181%)
FINISH26.22 mi1.02 mi24712+610180-1210180-1224178(Top 83%)10210(Top 81%)10210(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
Γ—21
+97ft-345ft

Overall

25839

Females

10637

F18-39

10637

5K→10K

3.1 - 6.2 mi

Top 87%
Γ—5
+79ft-138ft

Overall

25108

Females

10229

F18-39

10229

10K→15K

6.2 - 9.3 mi

Top 89%
Γ—3
+67ft-78ft

Overall

25839

Females

10637

F18-39

10637

15K→20K

9.3 - 12.4 mi

Top 90%
Γ—5
+106ft-86ft

Overall

26256

Females

10898

F18-39

10898

20K→HALF

12.4 - 13.1 mi

Top 96%
Γ—2
+19ft-37ft

Overall

27775

Females

11818

F18-39

11818

HALF→25K

13.1 - 15.5 mi

Top 86%
Γ—4
+66ft-88ft

Overall

24923

Females

10191

F18-39

10191

25K→30K

15.5 - 18.6 mi

Top 79%
Γ—9
+181ft-148ft

Overall

23059

Females

9322

F18-39

9322

30K→20M

18.6 - 20.0 mi

Top 79%
Γ—5
+64ft-50ft

Overall

22929

Females

9341

F18-39

9341

20M→21M

20.0 - 21.0 mi

Top 85%
Γ—8
+106ft-24ft

Overall

24572

Females

10281

F18-39

10281

21M→35K

21.0 - 21.8 mi

Top 79%
Γ—7
+17ft-86ft

Overall

22882

Females

9405

F18-39

9405

35K→23M

21.8 - 23.0 mi

Top 77%
Γ—5
+23ft-63ft

Overall

22241

Females

9133

F18-39

9133

23M→24M

23.0 - 24.0 mi

Top 82%
Γ—6
+12ft-82ft

Overall

23706

Females

9911

F18-39

9911

24M→40K

24.0 - 24.9 mi

Top 83%
Γ—1
+6ft-20ft

Overall

24091

Females

10176

F18-39

10176

40K→25.2M

24.9 - 25.2 mi

Top 84%
Γ—1
+13ft-16ft

Overall

24363

Females

10321

F18-39

10321

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
Γ—2
+22ft-21ft

Overall

24178

Females

10210

F18-39

10210

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 7 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing