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BOSTON MARATHON 2026

Joni Umlauf

Bib: 17731•F

FL

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 37%
Gender (Female)
#0 / 12578
Top 20%
Age Group (F18-39)
#0 / 5716
Top 36%
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
23:08
3.11 mi
Rank: #12329
Start → 5K
23:08 | 7:27/mi
10K
45:25
6.21 mi
Rank: #11165 (+1164)
5K → 10K
22:17 | 7:11/mi
15K
1:07:54
9.32 mi
Rank: #10905 (+260)
10K → 15K
22:29 | 7:15/mi
20K
1:30:43
12.43 mi
Rank: #10816 (+89)
15K → 20K
22:49 | 7:21/mi
HALF
1:35:38
13.11 mi
Rank: #10778 (+38)
20K → HALF
4:55 | 7:13/mi
25K
1:53:30
15.53 mi
Rank: #10653 (+125)
HALF → 25K
17:52 | 7:23/mi
30K
2:17:05
18.64 mi
Rank: #10557 (+96)
25K → 30K
23:35 | 7:36/mi
20M
2:27:30
20.00 mi
Rank: #10533 (+24)
30K → 20M
10:25 | 7:41/mi
21M
2:35:42
21.00 mi
Rank: #10544 (-11)
20M → 21M
8:12 | 8:12/mi
35K
2:41:16
21.75 mi
Rank: #10527 (+17)
21M → 35K
5:34 | 7:27/mi
23M
2:50:58
23.00 mi
Rank: #10486 (+41)
35K → 23M
9:42 | 7:46/mi
24M
2:58:36
24.00 mi
Rank: #10492 (-6)
23M → 24M
7:38 | 7:38/mi
40K
3:05:18
24.85 mi
Rank: #10501 (-9)
24M → 40K
6:42 | 7:51/mi
25.2M
3:08:18
25.20 mi
Rank: #10538 (-37)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:16:08
26.22 mi
Rank: #10602 (-64)
25.2M → FINISH
7:50 | 7:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:38
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:40:30
Pace7:40 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:5823:087:2723:08
7:27
-
10K
6.21 mi11:27:1545:257:1922:17
7:11
-0:16
15K
9.32 mi11:49:441:07:547:1822:29
7:15
+0:04
20K
12.43 mi12:12:331:30:437:1822:49
7:21
+0:06
HALF
13.11 mi12:17:281:35:387:184:55
7:13
-0:08
25K
15.53 mi12:35:201:53:307:1917:52
7:23
+0:10
30K
18.64 mi12:58:552:17:057:2223:35
7:36
+0:13
20M
20.00 mi13:09:202:27:307:2310:25
7:41
+0:05
21M
21.00 mi13:17:322:35:427:258:12
8:12
+0:31
35K
21.75 mi13:23:062:41:167:255:34
7:27
-0:45
23M
23.00 mi13:32:482:50:587:279:42
7:46
+0:19
24M
24.00 mi13:40:262:58:367:277:38
7:38
-0:08
40K
24.85 mi13:47:083:05:187:286:42
7:51
+0:13
25.2M
25.20 mi13:50:083:08:187:293:00
8:42
+0:51
FINISH
26.22 mi13:57:583:16:087:307:50
7:42
-1:00

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

7:11 /mi

Average Pace

7:29 /mi

Slowest Pace

8:42 /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

1:30:22

46% of race

Time at Steady Pace

1:27:52

45% of race

Time at Slower Pace

17:54

9% of race

Average Pace: 7:29 /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 mi11:04:5823:087:2723:08
7:27
#12329
10K
6.21 mi11:27:1545:257:1922:17
7:11
#11165
15K
9.32 mi11:49:441:07:547:1822:29
7:15
#10905
20K
12.43 mi12:12:331:30:437:1822:49
7:21
#10816
HALF
13.11 mi12:17:281:35:387:184:55
7:13
#10778
25K
15.53 mi12:35:201:53:307:1917:52
7:23
#10653
30K
18.64 mi12:58:552:17:057:2223:35
7:36
#10557
20M
20.00 mi13:09:202:27:307:2310:25
7:41
#10533
21M
21.00 mi13:17:322:35:427:258:12
8:12
#10544
35K
21.75 mi13:23:062:41:167:255:34
7:27
#10527
23M
23.00 mi13:32:482:50:587:279:42
7:46
#10486
24M
24.00 mi13:40:262:58:367:277:38
7:38
#10492
40K
24.85 mi13:47:083:05:187:286:42
7:51
#10501
25.2M
25.20 mi13:50:083:08:187:293:00
8:42
#10538
FINISH
26.22 mi13:57:583:16:087:307:50
7:42
#10602
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 mi123293106310610455(Top 36%)2194(Top 17%)2194(Top 38%)
10K6.21 mi3.10 mi11165+11642486+6202486+62010044(Top 35%)1933(Top 15%)1933(Top 34%)
15K9.32 mi3.11 mi10905+2602379+1072379+10710455(Top 36%)2194(Top 17%)2194(Top 38%)
20K12.43 mi3.11 mi10816+892374+52374+510608(Top 37%)2360(Top 19%)2360(Top 41%)
HALF13.11 mi0.68 mi10778+382352+222352+2210490(Top 36%)2246(Top 18%)2246(Top 39%)
25K15.53 mi2.42 mi10653+1252330+222330+2210311(Top 36%)2293(Top 18%)2293(Top 40%)
30K18.64 mi3.11 mi10557+962323+72323+710370(Top 36%)2454(Top 20%)2454(Top 43%)
20M20.00 mi1.36 mi10533+242333-102333-1010393(Top 36%)2590(Top 21%)2590(Top 45%)
21M21.00 mi1.00 mi10544-112360-272360-2711207(Top 39%)3083(Top 25%)3083(Top 54%)
35K21.75 mi0.75 mi10527+172377-172377-1710433(Top 36%)2695(Top 21%)2695(Top 47%)
23M23.00 mi1.25 mi10486+412396-192396-1910693(Top 37%)2952(Top 23%)2952(Top 52%)
24M24.00 mi1.00 mi10492-62419-232419-2311095(Top 38%)3213(Top 26%)3213(Top 56%)
40K24.85 mi0.85 mi10501-92439-202439-2011322(Top 39%)3413(Top 27%)3413(Top 60%)
25.2M25.20 mi0.35 mi10538-372465-262465-2612896(Top 44%)4284(Top 34%)4284(Top 75%)
FINISH26.22 mi1.02 mi10602-642521-562521-5612886(Top 44%)4318(Top 34%)4318(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21
+97ft-345ft

Overall

10455

Females

2194

F18-39

2194

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10044

Females

1933

F18-39

1933

10K→15K

6.2 - 9.3 mi

Top 36%
×3
+67ft-78ft

Overall

10455

Females

2194

F18-39

2194

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10608

Females

2360

F18-39

2360

20K→HALF

12.4 - 13.1 mi

Top 36%
×2
+19ft-37ft

Overall

10490

Females

2246

F18-39

2246

HALF→25K

13.1 - 15.5 mi

Top 36%
×4
+66ft-88ft

Overall

10311

Females

2293

F18-39

2293

25K→30K

15.5 - 18.6 mi

Top 36%
×9
+181ft-148ft

Overall

10370

Females

2454

F18-39

2454

30K→20M

18.6 - 20.0 mi

Top 36%
×5
+64ft-50ft

Overall

10393

Females

2590

F18-39

2590

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11207

Females

3083

F18-39

3083

21M→35K

21.0 - 21.8 mi

Top 36%
×7
+17ft-86ft

Overall

10433

Females

2695

F18-39

2695

35K→23M

21.8 - 23.0 mi

Top 37%
×5
+23ft-63ft

Overall

10693

Females

2952

F18-39

2952

23M→24M

23.0 - 24.0 mi

Top 38%
×6
+12ft-82ft

Overall

11095

Females

3213

F18-39

3213

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11322

Females

3413

F18-39

3413

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12896

Females

4284

F18-39

4284

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12886

Females

4318

F18-39

4318

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2785
Passed By
1058
Net Change
+1727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12329
5K → 10K119329+1164#12329#11165
10K → 15K31858+260#11165#10905
15K → 20K195106+89#10905#10816
20K → HALF5820+38#10816#10778
HALF → 25K19570+125#10778#10653
25K → 30K229133+96#10653#10557
30K → 20M10581+24#10557#10533
20M → 21M96107-11#10533#10544
21M → 35K5942+17#10544#10527
35K → 23M13089+41#10527#10486
23M → 24M7682-6#10486#10492
24M → 40K6574-9#10492#10501
40K → 25.2M1956-37#10501#10538
25.2M → FINISH47111-64#10538#10602
TOTALS27851058+1727
📊

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