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BOSTON MARATHON 2026

Natalie Tanner

Bib: 5228•F

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 12%
Gender (Female)
#0 / 12578
Top 1%
Age Group (F18-39)
#0 / 5716
Top 3%
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
20:36
3.11 mi
Rank: #5261
Start → 5K
20:36 | 6:38/mi
10K
40:12
6.21 mi
Rank: #3948 (+1313)
5K → 10K
19:36 | 6:19/mi
15K
59:45
9.32 mi
Rank: #3559 (+389)
10K → 15K
19:33 | 6:18/mi
20K
1:19:47
12.43 mi
Rank: #3503 (+56)
15K → 20K
20:02 | 6:27/mi
HALF
1:23:58
13.11 mi
Rank: #3405 (+98)
20K → HALF
4:11 | 6:09/mi
25K
1:39:37
15.53 mi
Rank: #3340 (+65)
HALF → 25K
15:39 | 6:28/mi
30K
2:01:10
18.64 mi
Rank: #3619 (-279)
25K → 30K
21:33 | 6:57/mi
20M
2:10:36
20.00 mi
Rank: #3680 (-61)
30K → 20M
9:26 | 6:57/mi
21M
2:17:47
21.00 mi
Rank: #3690 (-10)
20M → 21M
7:11 | 7:11/mi
35K
2:22:43
21.75 mi
Rank: #3685 (+5)
21M → 35K
4:56 | 6:36/mi
23M
2:31:00
23.00 mi
Rank: #3608 (+77)
35K → 23M
8:17 | 6:38/mi
24M
2:37:14
24.00 mi
Rank: #3491 (+117)
23M → 24M
6:14 | 6:14/mi
40K
2:42:50
24.85 mi
Rank: #3425 (+66)
24M → 40K
5:36 | 6:33/mi
25.2M
2:45:17
25.20 mi
Rank: #3388
40K → 25.2M
2:27 | 7:07/mi
FINISH
2:51:53
26.22 mi
Rank: #3374
25.2M → FINISH
6:36 | 6:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:58
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:27:55
Pace6:43 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3520:366:3820:36
6:38
-
10K
6.21 mi10:45:1140:126:2919:36
6:19
-0:19
15K
9.32 mi11:04:4459:456:2519:33
6:18
-0:01
20K
12.43 mi11:24:461:19:476:2620:02
6:27
+0:09
HALF
13.11 mi11:28:571:23:586:254:11
6:09
-0:18
25K
15.53 mi11:44:361:39:376:2515:39
6:28
+0:19
30K
18.64 mi12:06:092:01:106:3021:33
6:57
+0:29
20M
20.00 mi12:15:352:10:366:329:26
6:57
0:00
21M
21.00 mi12:22:462:17:476:347:11
7:11
+0:14
35K
21.75 mi12:27:422:22:436:344:56
6:36
-0:35
23M
23.00 mi12:35:592:31:006:348:17
6:38
+0:02
24M
24.00 mi12:42:132:37:146:346:14
6:14
-0:24
40K
24.85 mi12:47:492:42:506:345:36
6:33
+0:19
25.2M
25.20 mi12:50:162:45:176:342:27
7:07
+0:34
FINISH
26.22 mi12:56:522:51:536:346:36
6:29
-0:38

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

6:09 /mi

Average Pace

6:34 /mi

Slowest Pace

7:11 /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

2:11:16

76% of race

Time at Steady Pace

40:37

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:25:3520:366:3820:36
6:38
#5261
10K
6.21 mi10:45:1140:126:2919:36
6:19
#3948
15K
9.32 mi11:04:4459:456:2519:33
6:18
#3559
20K
12.43 mi11:24:461:19:476:2620:02
6:27
#3503
HALF
13.11 mi11:28:571:23:586:254:11
6:09
#3405
25K
15.53 mi11:44:361:39:376:2515:39
6:28
#3340
30K
18.64 mi12:06:092:01:106:3021:33
6:57
#3619
20M
20.00 mi12:15:352:10:366:329:26
6:57
#3680
21M
21.00 mi12:22:462:17:476:347:11
7:11
#3690
35K
21.75 mi12:27:422:22:436:344:56
6:36
#3685
23M
23.00 mi12:35:592:31:006:348:17
6:38
#3608
24M
24.00 mi12:42:132:37:146:346:14
6:14
#3491
40K
24.85 mi12:47:492:42:506:345:36
6:33
#3425
25.2M
25.20 mi12:50:162:45:176:342:27
7:07
#3388
FINISH
26.22 mi12:56:522:51:536:346:36
6:29
#3374
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 mi52613683682828(Top 10%)109(Top 0.9%)109(Top 2%)
10K6.21 mi3.10 mi3948+1313193+175193+1752910(Top 10%)113(Top 0.9%)113(Top 2%)
15K9.32 mi3.11 mi3559+389159+34159+342828(Top 10%)109(Top 0.9%)109(Top 2%)
20K12.43 mi3.11 mi3503+56152+7152+73450(Top 12%)150(Top 1%)150(Top 3%)
HALF13.11 mi0.68 mi3405+98144+8144+82184(Top 8%)75(Top 0.6%)75(Top 1%)
25K15.53 mi2.42 mi3340+65142+2142+23207(Top 11%)138(Top 1%)138(Top 2%)
30K18.64 mi3.11 mi3619-279167-25167-255440(Top 19%)554(Top 4%)554(Top 10%)
20M20.00 mi1.36 mi3680-61178-11178-115188(Top 18%)540(Top 4%)540(Top 9%)
21M21.00 mi1.00 mi3690-10184-6184-64555(Top 16%)486(Top 4%)486(Top 9%)
35K21.75 mi0.75 mi3685+5187-3187-34241(Top 15%)394(Top 3%)394(Top 7%)
23M23.00 mi1.25 mi3608+77184+3184+33051(Top 11%)227(Top 2%)227(Top 4%)
24M24.00 mi1.00 mi3491+117173+11173+111931(Top 7%)105(Top 0.8%)105(Top 2%)
40K24.85 mi0.85 mi3425+661731732826(Top 10%)236(Top 2%)236(Top 4%)
25.2M25.20 mi0.35 mi3388+37172+1172+13192(Top 11%)329(Top 3%)329(Top 6%)
FINISH26.22 mi1.02 mi3374+14177-5177-54012(Top 14%)516(Top 4%)516(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21
+97ft-345ft

Overall

2828

Females

109

F18-39

109

5K→10K

3.1 - 6.2 mi

Top 10%
×5
+79ft-138ft

Overall

2910

Females

113

F18-39

113

10K→15K

6.2 - 9.3 mi

Top 10%
×3
+67ft-78ft

Overall

2828

Females

109

F18-39

109

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3450

Females

150

F18-39

150

20K→HALF

12.4 - 13.1 mi

Top 8%
×2
+19ft-37ft

Overall

2184

Females

75

F18-39

75

HALF→25K

13.1 - 15.5 mi

Top 11%
×4
+66ft-88ft

Overall

3207

Females

138

F18-39

138

25K→30K

15.5 - 18.6 mi

Top 19%
×9
+181ft-148ft

Overall

5440

Females

554

F18-39

554

30K→20M

18.6 - 20.0 mi

Top 18%
×5
+64ft-50ft

Overall

5188

Females

540

F18-39

540

20M→21M

20.0 - 21.0 mi

Top 16%
×8
+106ft-24ft

Overall

4555

Females

486

F18-39

486

21M→35K

21.0 - 21.8 mi

Top 15%
×7
+17ft-86ft

Overall

4241

Females

394

F18-39

394

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3051

Females

227

F18-39

227

23M→24M

23.0 - 24.0 mi

Top 7%
×6
+12ft-82ft

Overall

1931

Females

105

F18-39

105

24M→40K

24.0 - 24.9 mi

Top 10%
×1
+6ft-20ft

Overall

2826

Females

236

F18-39

236

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1
+13ft-16ft

Overall

3192

Females

329

F18-39

329

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
×2
+22ft-21ft

Overall

4012

Females

516

F18-39

516

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 6 hours ago. This usually takes 10-20 minutes. Please check back shortly.

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