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BOSTON MARATHON 2025

Joni Umlauf

Bib: 15517•F

FL

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0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:42
Rank: #10439
Start → 5K
22:42 | 7:18/mi
10K· 6.21 mi
45:54
Rank: #11131 (-692)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:09:04
Rank: #11163 (-32)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:32:22
Rank: #11044 (+119)
15K → 20K
23:18 | 7:30/mi
Half· 13.11 mi
1:37:27
Rank: #11073 (-29)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:26
Rank: #10696 (+377)
Half → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:19:41
Rank: #10520 (+176)
25K → 30K
24:15 | 7:48/mi
20M
2:30:18
Rank: #10381 (+139)
30K → 20M
10:37 | 7:49/mi
21M
2:38:42
Rank: #10300 (+81)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:44:27
Rank: #10291 (+9)
21M → 35K
5:45 | 7:41/mi
23M
2:54:35
Rank: #10280 (+11)
35K → 23M
10:08 | 8:06/mi
24M
3:02:24
Rank: #10215 (+65)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:09:09
Rank: #10162 (+53)
24M → 40K
6:45 | 7:54/mi
25.2M
3:12:11
Rank: #10151 (+11)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:19:56
Rank: #10126 (+25)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:27
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:42:29
Pace7:49 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5122:427:1822:42
7:18
-
10K
6.21 mi11:17:0345:547:2323:12
7:28
+0:10
15K
9.32 mi11:40:131:09:047:2523:10
7:27
-0:01
20K
12.43 mi12:03:311:32:227:2623:18
7:30
+0:03
Half
13.11 mi12:08:361:37:277:265:05
7:27
-0:03
25K
15.53 mi12:26:351:55:267:2617:59
7:25
-0:02
30K
18.64 mi12:50:502:19:417:3024:15
7:48
+0:23
20M
20.00 mi13:01:272:30:187:3110:37
7:49
+0:01
21M
21.00 mi13:09:512:38:427:338:24
8:24
+0:35
35K
21.75 mi13:15:362:44:277:345:45
7:41
-0:43
23M
23.00 mi13:25:442:54:357:3510:08
8:06
+0:25
24M
24.00 mi13:33:333:02:247:367:49
7:49
-0:17
40K
24.85 mi13:40:183:09:097:376:45
7:54
+0:05
25.2M
25.20 mi13:43:203:12:117:383:02
8:48
+0:54
Finish
26.22 mi13:51:053:19:567:387:45
7:36
-1:12

Checkpoints & Pacing

📈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

7:18 /mi

Average Pace

7:38 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:08

46% of race

Time at Steady Pace

1:19:29

40% of race

Time at Slower Pace

28:19

14% of race

Average Pace: 7:38 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:5122:427:1822:42
7:18
#10439
10K
6.21 mi11:17:0345:547:2323:12
7:28
#11131
15K
9.32 mi11:40:131:09:047:2523:10
7:27
#11163
20K
12.43 mi12:03:311:32:227:2623:18
7:30
#11044
Half
13.11 mi12:08:361:37:277:265:05
7:27
#11073
25K
15.53 mi12:26:351:55:267:2617:59
7:25
#10696
30K
18.64 mi12:50:502:19:417:3024:15
7:48
#10520
20M
20.00 mi13:01:272:30:187:3110:37
7:49
#10381
21M
21.00 mi13:09:512:38:427:338:24
8:24
#10300
35K
21.75 mi13:15:362:44:277:345:45
7:41
#10291
23M
23.00 mi13:25:442:54:357:3510:08
8:06
#10280
24M
24.00 mi13:33:333:02:247:367:49
7:49
#10215
40K
24.85 mi13:40:183:09:097:376:45
7:54
#10162
25.2M
25.20 mi13:43:203:12:117:383:02
8:48
#10151
Finish
26.22 mi13:51:053:19:567:387:45
7:36
#10126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi104392010201011396(Top 40%)2579(Top 21%)2579(Top 47%)
10K6.21 mi3.10 mi11131-6922361-3512361-35111798(Top 42%)2712(Top 22%)2712(Top 50%)
15K9.32 mi3.11 mi11163-322398-372398-3711396(Top 40%)2579(Top 21%)2579(Top 47%)
20K12.43 mi3.11 mi11044+1192362+362362+3610780(Top 38%)2358(Top 19%)2358(Top 43%)
Half13.11 mi0.68 mi11073-292381-192381-1911356(Top 40%)2601(Top 21%)2601(Top 48%)
25K15.53 mi2.42 mi10696+3772229+1522229+1529311(Top 33%)1782(Top 15%)1782(Top 33%)
30K18.64 mi3.11 mi10520+1762216+132216+139994(Top 35%)2280(Top 19%)2280(Top 42%)
20M20.00 mi1.36 mi10381+1392189+272189+279143(Top 32%)2048(Top 17%)2048(Top 37%)
21M21.00 mi1.00 mi10300+81218921899861(Top 35%)2545(Top 21%)2545(Top 47%)
35K21.75 mi0.75 mi10291+92209-202209-2010010(Top 35%)2596(Top 21%)2596(Top 47%)
23M23.00 mi1.25 mi10280+112253-442253-4410713(Top 38%)3085(Top 25%)3085(Top 56%)
24M24.00 mi1.00 mi10215+652245+82245+89948(Top 35%)2778(Top 23%)2778(Top 51%)
40K24.85 mi0.85 mi10162+532259-142259-149451(Top 33%)2652(Top 22%)2652(Top 48%)
25.2M25.20 mi0.35 mi10151+112268-92268-910644(Top 37%)3300(Top 27%)3300(Top 60%)
Finish26.22 mi1.02 mi10126+252286-182286-189992(Top 35%)2974(Top 24%)2974(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11396

Females

2579

F18-39

2579

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11798

Females

2712

F18-39

2712

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11396

Females

2579

F18-39

2579

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10780

Females

2358

F18-39

2358

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11356

Females

2601

F18-39

2601

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9311

Females

1782

F18-39

1782

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9994

Females

2280

F18-39

2280

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9143

Females

2048

F18-39

2048

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9861

Females

2545

F18-39

2545

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

10010

Females

2596

F18-39

2596

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10713

Females

3085

F18-39

3085

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9948

Females

2778

F18-39

2778

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9451

Females

2652

F18-39

2652

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10644

Females

3300

F18-39

3300

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9992

Females

2974

F18-39

2974

Passing Analysis

Category:
Athletes Passed
2046
Passed By
1733
Net Change
+313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10439
5K → 10K68760-692#10439#11131
10K → 15K174206-32#11131#11163
15K → 20K226107+119#11163#11044
20K → Half2958-29#11044#11073
Half → 25K39619+377#11073#10696
25K → 30K316140+176#10696#10520
30K → 20M18344+139#10520#10381
20M → 21M14564+81#10381#10300
21M → 35K6455+9#10300#10291
35K → 23M115104+11#10291#10280
23M → 24M10136+65#10280#10215
24M → 40K10249+53#10215#10162
40K → 25.2M3524+11#10162#10151
25.2M → Finish9267+25#10151#10126
TOTALS20461733+313
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing