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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Rongfang Ding

Bib: 19794 •F •Age: N/A

IL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
Masters (Masters Women)
#0 / 6862
Top 26%
Age Group (F45-49)
#0 / 1786
Top 31%
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
23:45
3.11 mi
Rank: #14074
Start → 5K
23:45 | 7:39/mi
10K
48:06
6.21 mi
Rank: #14994 (-920)
5K → 10K
24:21 | 7:51/mi
15K
1:12:56
9.32 mi
Rank: #15634 (-640)
10K → 15K
24:50 | 8:00/mi
20K
1:38:08
12.43 mi
Rank: #15977 (-343)
15K → 20K
25:12 | 8:07/mi
HALF
1:43:31
13.11 mi
Rank: #15998 (-21)
20K → HALF
5:23 | 7:54/mi
25K
2:02:55
15.53 mi
Rank: #15879 (+119)
HALF → 25K
19:24 | 8:00/mi
30K
2:28:55
18.64 mi
Rank: #15896 (-17)
25K → 30K
26:00 | 8:23/mi
20M
2:40:23
20.00 mi
Rank: #15890 (+6)
30K → 20M
11:28 | 8:27/mi
21M
2:49:23
21.00 mi
Rank: #15874 (+16)
20M → 21M
9:00 | 9:00/mi
35K
2:55:13
21.75 mi
Rank: #15748 (+126)
21M → 35K
5:50 | 7:48/mi
23M
3:05:30
23.00 mi
Rank: #15612 (+136)
35K → 23M
10:17 | 8:14/mi
24M
3:13:28
24.00 mi
Rank: #15523 (+89)
23M → 24M
7:58 | 7:58/mi
40K
3:20:25
24.85 mi
Rank: #15432 (+91)
24M → 40K
6:57 | 8:08/mi
25.2M
3:23:31
25.20 mi
Rank: #15401 (+31)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:31:36
26.22 mi
Rank: #15381 (+20)
25.2M → FINISH
8:05 | 7:56/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
Time1:43:31
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:48:05
Pace8:15 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:1723:457:3923:45
7:39
-
10K
6.21 mi11:31:3848:067:4524:21
7:51
+0:12
15K
9.32 mi11:56:281:12:567:5024:50
8:00
+0:09
20K
12.43 mi12:21:401:38:087:5425:12
8:07
+0:07
HALF
13.11 mi12:27:031:43:317:545:23
7:54
-0:13
25K
15.53 mi12:46:272:02:557:5519:24
8:00
+0:06
30K
18.64 mi13:12:272:28:558:0026:00
8:23
+0:23
20M
20.00 mi13:23:552:40:238:0211:28
8:27
+0:04
21M
21.00 mi13:32:552:49:238:049:00
9:00
+0:33
35K
21.75 mi13:38:452:55:138:045:50
7:48
-1:12
23M
23.00 mi13:49:023:05:308:0410:17
8:14
+0:26
24M
24.00 mi13:57:003:13:288:047:58
7:58
-0:16
40K
24.85 mi14:03:573:20:258:046:57
8:08
+0:10
25.2M
25.20 mi14:07:033:23:318:053:06
9:00
+0:52
FINISH
26.22 mi14:15:083:31:368:058:05
7:56
-1:04

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

7:39 /mi

Average Pace

8:05 /mi

Slowest Pace

9:00 /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

3:08:02

89% of race

Time at Steady Pace

23:34

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:07:1723:457:3923:45
7:39
#14074
10K
6.21 mi11:31:3848:067:4524:21
7:51
#14994
15K
9.32 mi11:56:281:12:567:5024:50
8:00
#15634
20K
12.43 mi12:21:401:38:087:5425:12
8:07
#15977
HALF
13.11 mi12:27:031:43:317:545:23
7:54
#15998
25K
15.53 mi12:46:272:02:557:5519:24
8:00
#15879
30K
18.64 mi13:12:272:28:558:0026:00
8:23
#15896
20M
20.00 mi13:23:552:40:238:0211:28
8:27
#15890
21M
21.00 mi13:32:552:49:238:049:00
9:00
#15874
35K
21.75 mi13:38:452:55:138:045:50
7:48
#15748
23M
23.00 mi13:49:023:05:308:0410:17
8:14
#15612
24M
24.00 mi13:57:003:13:288:047:58
7:58
#15523
40K
24.85 mi14:03:573:20:258:046:57
8:08
#15432
25.2M
25.20 mi14:07:033:23:318:053:06
9:00
#15401
FINISH
26.22 mi14:15:083:31:368:058:05
7:56
#15381
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 mi140744120412016970(Top 58%)5898(Top 47%)5898(Top 330%)
10K6.21 mi3.10 mi14994-9204709-5894709-58915968(Top 55%)5290(Top 42%)5290(Top 296%)
15K9.32 mi3.11 mi15634-6405122-4135122-41316970(Top 58%)5898(Top 47%)5898(Top 330%)
20K12.43 mi3.11 mi15977-3435340-2185340-21816927(Top 58%)5896(Top 47%)5896(Top 330%)
HALF13.11 mi0.68 mi15998-215361-215361-2116356(Top 56%)5544(Top 44%)5544(Top 310%)
25K15.53 mi2.42 mi15879+1195291+705291+7015419(Top 53%)5091(Top 40%)5091(Top 285%)
30K18.64 mi3.11 mi15896-175339-485339-4816070(Top 55%)5553(Top 44%)5553(Top 311%)
20M20.00 mi1.36 mi15890+65356-175356-1715860(Top 55%)5558(Top 44%)5558(Top 311%)
21M21.00 mi1.00 mi15874+165362-65362-616136(Top 56%)5757(Top 46%)5757(Top 322%)
35K21.75 mi0.75 mi15748+1265298+645298+6413111(Top 45%)4155(Top 33%)4155(Top 233%)
23M23.00 mi1.25 mi15612+1365252+465252+4613945(Top 48%)4683(Top 37%)4683(Top 262%)
24M24.00 mi1.00 mi15523+895217+355217+3513559(Top 47%)4557(Top 36%)4557(Top 255%)
40K24.85 mi0.85 mi15432+915193+245193+2413375(Top 46%)4547(Top 36%)4547(Top 255%)
25.2M25.20 mi0.35 mi15401+315181+125181+1214716(Top 51%)5285(Top 42%)5285(Top 296%)
FINISH26.22 mi1.02 mi15381+205183-25183-214754(Top 51%)5307(Top 42%)5307(Top 297%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16970

Females

5898

F45-49

5898

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15968

Females

5290

F45-49

5290

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16970

Females

5898

F45-49

5898

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16927

Females

5896

F45-49

5896

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16356

Females

5544

F45-49

5544

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15419

Females

5091

F45-49

5091

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

16070

Females

5553

F45-49

5553

30K→20M

18.6 - 20.0 mi

Top 55%
×5
+64ft-50ft

Overall

15860

Females

5558

F45-49

5558

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16136

Females

5757

F45-49

5757

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

13111

Females

4155

F45-49

4155

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

13945

Females

4683

F45-49

4683

23M→24M

23.0 - 24.0 mi

Top 47%
×6
+12ft-82ft

Overall

13559

Females

4557

F45-49

4557

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13375

Females

4547

F45-49

4547

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14716

Females

5285

F45-49

5285

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14754

Females

5307

F45-49

5307

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1462
Passed By
1252
Net Change
-1307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14074
5K → 10K64200-920#14074#14994
10K → 15K60200-640#14994#15634
15K → 20K90200-343#15634#15977
20K → HALF2748-21#15977#15998
HALF → 25K19677+119#15998#15879
25K → 30K182199-17#15879#15896
30K → 20M9892+6#15896#15890
20M → 21M11195+16#15890#15874
21M → 35K1337+126#15874#15748
35K → 23M16832+136#15748#15612
23M → 24M10718+89#15612#15523
24M → 40K11221+91#15523#15432
40K → 25.2M4716+31#15432#15401
25.2M → FINISH6747+20#15401#15381
TOTALS14621252-1307
📊

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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