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BOSTON MARATHON 2026

Nina Agergaard

Bib: 31939•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
33:38
3.11 mi
Rank: #27761
Start → 5K
33:38 | 10:50/mi
10K
1:09:41
6.21 mi
Rank: #28125 (-364)
5K → 10K
36:03 | 11:37/mi
15K
1:50:06
9.32 mi
Rank: #28505 (-380)
10K → 15K
40:25 | 13:01/mi
20K
2:30:15
12.43 mi
Rank: #28534 (-29)
15K → 20K
40:09 | 12:56/mi
HALF
2:38:06
13.11 mi
Rank: #28504 (+30)
20K → HALF
7:51 | 11:31/mi
25K
3:09:15
15.53 mi
Rank: #28446 (+58)
HALF → 25K
31:09 | 12:51/mi
30K
3:49:14
18.64 mi
Rank: #28338 (+108)
25K → 30K
39:59 | 12:53/mi
20M
4:06:13
20.00 mi
Rank: #28260 (+78)
30K → 20M
16:59 | 12:31/mi
21M
4:20:29
21.00 mi
Rank: #28228 (+32)
20M → 21M
14:16 | 14:16/mi
35K
4:29:19
21.75 mi
Rank: #28185 (+43)
21M → 35K
8:50 | 11:49/mi
23M
4:44:31
23.00 mi
Rank: #28119 (+66)
35K → 23M
15:12 | 12:09/mi
24M
4:56:34
24.00 mi
Rank: #28073 (+46)
23M → 24M
12:03 | 12:03/mi
40K
5:07:24
24.85 mi
Rank: #28047 (+26)
24M → 40K
10:50 | 12:41/mi
25.2M
5:12:08
25.20 mi
Rank: #28035 (+12)
40K → 25.2M
4:44 | 13:44/mi
FINISH
5:23:40
26.22 mi
Rank: #27995 (+40)
25.2M → FINISH
11:32 | 11:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:38:06
Pace12:04 /mi
2nd Half
Distance13.11 mi
Time2:45:34
Pace12:38 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:4633:3810:5033:38
10:50
-
10K
6.21 mi12:37:491:09:4111:1336:03
11:37
+0:47
15K
9.32 mi13:18:141:50:0611:4940:25
13:01
+1:24
20K
12.43 mi13:58:232:30:1512:0640:09
12:56
-0:05
HALF
13.11 mi14:06:142:38:0612:047:51
11:31
-1:25
25K
15.53 mi14:37:233:09:1512:1131:09
12:51
+1:20
30K
18.64 mi15:17:223:49:1412:1839:59
12:53
+0:02
20M
20.00 mi15:34:214:06:1312:1916:59
12:31
-0:22
21M
21.00 mi15:48:374:20:2912:2514:16
14:16
+1:45
35K
21.75 mi15:57:274:29:1912:248:50
11:49
-2:27
23M
23.00 mi16:12:394:44:3112:2315:12
12:09
+0:20
24M
24.00 mi16:24:424:56:3412:2212:03
12:03
-0:06
40K
24.85 mi16:35:325:07:2412:2310:50
12:41
+0:38
25.2M
25.20 mi16:40:165:12:0812:244:44
13:44
+1:03
FINISH
26.22 mi16:51:485:23:4012:2211:32
11:20
-2:24

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

10:50 /mi

Average Pace

12:21 /mi

Slowest Pace

14:16 /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

1:49:57

34% of race

Time at Steady Pace

2:34:18

48% of race

Time at Slower Pace

59:25

18% of race

Average Pace: 12:21 /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 mi12:01:4633:3810:5033:38
10:50
#27761
10K
6.21 mi12:37:491:09:4111:1336:03
11:37
#28125
15K
9.32 mi13:18:141:50:0611:4940:25
13:01
#28505
20K
12.43 mi13:58:232:30:1512:0640:09
12:56
#28534
HALF
13.11 mi14:06:142:38:0612:047:51
11:31
#28504
25K
15.53 mi14:37:233:09:1512:1131:09
12:51
#28446
30K
18.64 mi15:17:223:49:1412:1839:59
12:53
#28338
20M
20.00 mi15:34:214:06:1312:1916:59
12:31
#28260
21M
21.00 mi15:48:374:20:2912:2514:16
14:16
#28228
35K
21.75 mi15:57:274:29:1912:248:50
11:49
#28185
23M
23.00 mi16:12:394:44:3112:2315:12
12:09
#28119
24M
24.00 mi16:24:424:56:3412:2212:03
12:03
#28073
40K
24.85 mi16:35:325:07:2412:2310:50
12:41
#28047
25.2M
25.20 mi16:40:165:12:0812:244:44
13:44
#28035
FINISH
26.22 mi16:51:485:23:4012:2211:32
11:20
#27995
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi27761117271172728838(Top 99%)12455(Top 99%)12455(Top 697%)
10K6.21 mi3.10 mi28125-36411960-23311960-23328316(Top 98%)12104(Top 96%)12104(Top 678%)
15K9.32 mi3.11 mi28505-38012227-26712227-26728838(Top 99%)12455(Top 99%)12455(Top 697%)
20K12.43 mi3.11 mi28534-2912245-1812245-1828575(Top 98%)12302(Top 98%)12302(Top 689%)
HALF13.11 mi0.68 mi28504+3012225+2012225+2027894(Top 96%)11896(Top 95%)11896(Top 666%)
25K15.53 mi2.42 mi28446+5812192+3312192+3328144(Top 97%)12039(Top 96%)12039(Top 674%)
30K18.64 mi3.11 mi28338+10812131+6112131+6127610(Top 95%)11780(Top 94%)11780(Top 660%)
20M20.00 mi1.36 mi28260+7812083+4812083+4826963(Top 93%)11495(Top 91%)11495(Top 644%)
21M21.00 mi1.00 mi28228+3212068+1512068+1527548(Top 95%)11831(Top 94%)11831(Top 662%)
35K21.75 mi0.75 mi28185+4312045+2312045+2326528(Top 91%)11321(Top 90%)11321(Top 634%)
23M23.00 mi1.25 mi28119+6612011+3412011+3426336(Top 91%)11239(Top 89%)11239(Top 629%)
24M24.00 mi1.00 mi28073+4611984+2711984+2726689(Top 92%)11464(Top 91%)11464(Top 642%)
40K24.85 mi0.85 mi28047+2611971+1311971+1326735(Top 92%)11515(Top 92%)11515(Top 645%)
25.2M25.20 mi0.35 mi28035+1211965+611965+626968(Top 93%)11610(Top 92%)11610(Top 650%)
FINISH26.22 mi1.02 mi27995+4011951+1411951+1426634(Top 92%)11461(Top 91%)11461(Top 642%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28838

Females

12455

F45-49

12455

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28316

Females

12104

F45-49

12104

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28838

Females

12455

F45-49

12455

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28575

Females

12302

F45-49

12302

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27894

Females

11896

F45-49

11896

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28144

Females

12039

F45-49

12039

25K→30K

15.5 - 18.6 mi

Top 95%
×9
+181ft-148ft

Overall

27610

Females

11780

F45-49

11780

30K→20M

18.6 - 20.0 mi

Top 93%
×5
+64ft-50ft

Overall

26963

Females

11495

F45-49

11495

20M→21M

20.0 - 21.0 mi

Top 95%
×8
+106ft-24ft

Overall

27548

Females

11831

F45-49

11831

21M→35K

21.0 - 21.8 mi

Top 91%
×7
+17ft-86ft

Overall

26528

Females

11321

F45-49

11321

35K→23M

21.8 - 23.0 mi

Top 91%
×5
+23ft-63ft

Overall

26336

Females

11239

F45-49

11239

23M→24M

23.0 - 24.0 mi

Top 92%
×6
+12ft-82ft

Overall

26689

Females

11464

F45-49

11464

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26735

Females

11515

F45-49

11515

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1
+13ft-16ft

Overall

26968

Females

11610

F45-49

11610

25.2M→FINISH

25.2 - 26.2 mi

Top 92%
×2
+22ft-21ft

Overall

26634

Females

11461

F45-49

11461

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
675
Passed By
519
Net Change
-234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27761
5K → 10K40200-364#27761#28125
10K → 15K6200-380#28125#28505
15K → 20K3463-29#28505#28534
20K → HALF311+30#28534#28504
HALF → 25K7517+58#28504#28446
25K → 30K12113+108#28446#28338
30K → 20M791+78#28338#28260
20M → 21M408+32#28260#28228
21M → 35K430+43#28228#28185
35K → 23M693+66#28185#28119
23M → 24M471+46#28119#28073
24M → 40K304+26#28073#28047
40K → 25.2M120+12#28047#28035
25.2M → FINISH488+40#28035#27995
TOTALS675519-234
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing