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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Grace Bellefeuille

Bib: 7986 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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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
37:42
3.11 mi
Rank: #28845
Start → 5K
37:42 | 12:09/mi
10K
1:18:31
6.21 mi
Rank: #28920 (-75)
5K → 10K
40:49 | 13:09/mi
15K
2:02:01
9.32 mi
Rank: #28963 (-43)
10K → 15K
43:30 | 14:01/mi
20K
2:48:51
12.43 mi
Rank: #28993 (-30)
15K → 20K
46:50 | 15:05/mi
HALF
2:58:32
13.11 mi
Rank: #28994 (-1)
20K → HALF
9:41 | 14:13/mi
25K
3:39:19
15.53 mi
Rank: #29001 (-7)
HALF → 25K
40:47 | 16:49/mi
30K
4:29:14
18.64 mi
Rank: #28999 (+2)
25K → 30K
49:55 | 16:04/mi
20M
4:54:51
20.00 mi
Rank: #29001 (-2)
30K → 20M
25:37 | 18:52/mi
21M
5:12:16
21.00 mi
Rank: #29001
20M → 21M
17:25 | 17:25/mi
35K
5:23:44
21.75 mi
Rank: #29002 (-1)
21M → 35K
11:28 | 15:20/mi
23M
5:47:04
23.00 mi
Rank: #29002
35K → 23M
23:20 | 18:39/mi
24M
6:04:48
24.00 mi
Rank: #29006 (-4)
23M → 24M
17:44 | 17:44/mi
40K
6:20:52
24.85 mi
Rank: #29010 (-4)
24M → 40K
16:04 | 18:48/mi
25.2M
6:27:38
25.20 mi
Rank: #29009 (+1)
40K → 25.2M
6:46 | 19:38/mi
FINISH
6:43:47
26.22 mi
Rank: #29010 (-1)
25.2M → FINISH
16:09 | 15:51/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:58:32
Pace13:38 /mi
2nd Half
Distance13.11 mi
Time3:45:15
Pace17:11 /mi
📊Positive Split: 26.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:5437:4212:0937:42
12:09
-
10K
6.21 mi11:26:431:18:3112:3940:49
13:09
+1:00
15K
9.32 mi12:10:132:02:0113:0643:30
14:01
+0:52
20K
12.43 mi12:57:032:48:5113:3646:50
15:05
+1:04
HALF
13.11 mi13:06:442:58:3213:389:41
14:13
-0:52
25K
15.53 mi13:47:313:39:1914:0840:47
16:49
+2:36
30K
18.64 mi14:37:264:29:1414:2749:55
16:04
-0:45
20M
20.00 mi15:03:034:54:5114:4525:37
18:52
+2:48
21M
21.00 mi15:20:285:12:1614:5317:25
17:25
-1:27
35K
21.75 mi15:31:565:23:4414:5411:28
15:20
-2:05
23M
23.00 mi15:55:165:47:0415:0623:20
18:39
+3:19
24M
24.00 mi16:13:006:04:4815:1317:44
17:44
-0:55
40K
24.85 mi16:29:046:20:5215:2016:04
18:48
+1:04
25.2M
25.20 mi16:35:506:27:3815:236:46
19:38
+0:50
FINISH
26.22 mi16:51:596:43:4715:2516:09
15:51
-3:47

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

12:09 /mi

Average Pace

15:25 /mi

Slowest Pace

19:38 /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

2:11:42

33% of race

Time at Steady Pace

2:45:09

41% of race

Time at Slower Pace

1:46:56

26% of race

Average Pace: 15:24 /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 mi10:45:5437:4212:0937:42
12:09
#28845
10K
6.21 mi11:26:431:18:3112:3940:49
13:09
#28920
15K
9.32 mi12:10:132:02:0113:0643:30
14:01
#28963
20K
12.43 mi12:57:032:48:5113:3646:50
15:05
#28993
HALF
13.11 mi13:06:442:58:3213:389:41
14:13
#28994
25K
15.53 mi13:47:313:39:1914:0840:47
16:49
#29001
30K
18.64 mi14:37:264:29:1414:2749:55
16:04
#28999
20M
20.00 mi15:03:034:54:5114:4525:37
18:52
#29001
21M
21.00 mi15:20:285:12:1614:5317:25
17:25
#29001
35K
21.75 mi15:31:565:23:4414:5411:28
15:20
#29002
23M
23.00 mi15:55:165:47:0415:0623:20
18:39
#29002
24M
24.00 mi16:13:006:04:4815:1317:44
17:44
#29006
40K
24.85 mi16:29:046:20:5215:2016:04
18:48
#29010
25.2M
25.20 mi16:35:506:27:3815:236:46
19:38
#29009
FINISH
26.22 mi16:51:596:43:4715:2516:09
15:51
#29010
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 mi28845124571245728980(Top 100%)12558(Top 100%)12558(Top 220%)
10K6.21 mi3.10 mi28920-7512512-5512512-5528953(Top 100%)12539(Top 100%)12539(Top 219%)
15K9.32 mi3.11 mi28963-4312542-3012542-3028980(Top 100%)12558(Top 100%)12558(Top 220%)
20K12.43 mi3.11 mi28993-3012564-2212564-2228989(Top 100%)12564(Top 100%)12564(Top 220%)
HALF13.11 mi0.68 mi28994-1125641256428939(Top 100%)12545(Top 100%)12545(Top 219%)
25K15.53 mi2.42 mi29001-712569-512569-528990(Top 100%)12562(Top 100%)12562(Top 220%)
30K18.64 mi3.11 mi28999+212568+112568+128924(Top 100%)12532(Top 100%)12532(Top 219%)
20M20.00 mi1.36 mi29001-212570-212570-228998(Top 100%)12566(Top 100%)12566(Top 220%)
21M21.00 mi1.00 mi29001125701257028879(Top 100%)12511(Top 99%)12511(Top 219%)
35K21.75 mi0.75 mi29002-112572-212572-228782(Top 99%)12488(Top 99%)12488(Top 218%)
23M23.00 mi1.25 mi29002125721257228983(Top 100%)12565(Top 100%)12565(Top 220%)
24M24.00 mi1.00 mi29006-412575-312575-328971(Top 100%)12558(Top 100%)12558(Top 220%)
40K24.85 mi0.85 mi29010-412576-112576-128967(Top 100%)12562(Top 100%)12562(Top 220%)
25.2M25.20 mi0.35 mi29009+1125761257628946(Top 100%)12555(Top 100%)12555(Top 220%)
FINISH26.22 mi1.02 mi29010-1125761257628919(Top 100%)12547(Top 100%)12547(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21
+97ft-345ft

Overall

28980

Females

12558

F18-39

12558

5K→10K

3.1 - 6.2 mi

Top 100%
×5
+79ft-138ft

Overall

28953

Females

12539

F18-39

12539

10K→15K

6.2 - 9.3 mi

Top 100%
×3
+67ft-78ft

Overall

28980

Females

12558

F18-39

12558

15K→20K

9.3 - 12.4 mi

Top 100%
×5
+106ft-86ft

Overall

28989

Females

12564

F18-39

12564

20K→HALF

12.4 - 13.1 mi

Top 100%
×2
+19ft-37ft

Overall

28939

Females

12545

F18-39

12545

HALF→25K

13.1 - 15.5 mi

Top 100%
×4
+66ft-88ft

Overall

28990

Females

12562

F18-39

12562

25K→30K

15.5 - 18.6 mi

Top 100%
×9
+181ft-148ft

Overall

28924

Females

12532

F18-39

12532

30K→20M

18.6 - 20.0 mi

Top 100%
×5
+64ft-50ft

Overall

28998

Females

12566

F18-39

12566

20M→21M

20.0 - 21.0 mi

Top 100%
×8
+106ft-24ft

Overall

28879

Females

12511

F18-39

12511

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28782

Females

12488

F18-39

12488

35K→23M

21.8 - 23.0 mi

Top 100%
×5
+23ft-63ft

Overall

28983

Females

12565

F18-39

12565

23M→24M

23.0 - 24.0 mi

Top 100%
×6
+12ft-82ft

Overall

28971

Females

12558

F18-39

12558

24M→40K

24.0 - 24.9 mi

Top 100%
×1
+6ft-20ft

Overall

28967

Females

12562

F18-39

12562

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1
+13ft-16ft

Overall

28946

Females

12555

F18-39

12555

25.2M→FINISH

25.2 - 26.2 mi

Top 100%
×2
+22ft-21ft

Overall

28919

Females

12547

F18-39

12547

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
23
Passed By
188
Net Change
-165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28845
5K → 10K883-75#28845#28920
10K → 15K346-43#28920#28963
15K → 20K232-30#28963#28993
20K → HALF01-1#28993#28994
HALF → 25K18-7#28994#29001
25K → 30K42+2#29001#28999
30K → 20M02-2#28999#29001
20M → 21M000#29001#29001
21M → 35K12-1#29001#29002
35K → 23M220#29002#29002
23M → 24M04-4#29002#29006
24M → 40K04-4#29006#29010
40K → 25.2M21+1#29010#29009
25.2M → FINISH01-1#29009#29010
TOTALS23188-165
📊

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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